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		<title>60-Second Earth</title>
		<description>Leading science journalists provide a weekly one-minute report on the science of the environment and the future of energy. Scientific American offers three other podcasts:  the daily &quot;60-Second Science,&quot; and the weekly &quot;60-Second Psych&quot; and &quot;Science Talk.&quot; To view all our archived podcasts please visit:  www.scientificamerican.com/podcast</description>
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			<title>60-Second Earth</title>
			<link>http://www.scientificamerican.com/podcast/</link>
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		<copyright>2012 Scientific American, a division of Nature America, Inc. All Rights Reserved.</copyright>
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		<itunes:subtitle>A weekly podcast discussing the science of the environment and the future of energy.</itunes:subtitle>
		<itunes:summary>Leading science journalists provide a weekly one-minute report on the science of the environment and the future of energy. Scientific American offers three other podcasts:  the daily &quot;60-Second Science,&quot; and the weekly &quot;60-Second Psych&quot; and &quot;Science Talk.&quot; To view all our archived podcasts please visit:  www.scientificamerican.com/podcast</itunes:summary>
		<itunes:category text="Science &amp; Medicine" />
		<itunes:category text="Technology" />
		<itunes:category text="Society &amp; Culture" />
		
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		<itunes:author>Scientific American</itunes:author>
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			<title>What Does A Coup In The Maldives Mean For Climate Change?</title>
			<description>The fate of an island chain&apos;s president may mean more--or even less--progress to combat climate change. David Biello reports.</description>
		
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			<pubDate>Sun, 12 Feb 2012 10:00:08 -0500</pubDate>
			<itunes:subtitle>What Does A Coup In The Maldives Mean For Climate Change?</itunes:subtitle>
			<itunes:summary>The fate of an island chain&apos;s president may mean more--or even less--progress to combat climate change. David Biello reports.</itunes:summary>
			<itunes:duration>00:01:32</itunes:duration>
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			<title>How to Make Electricity Using Plants and Sunshine</title>
			<description>A new system combines the power of plants and photovoltaics to make solar power cheap and durable. David Biello reports</description>
		
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			<pubDate>Sun, 5 Feb 2012 09:00:08 -0500</pubDate>
			<itunes:subtitle>How to Make Electricity Using Plants and Sunshine</itunes:subtitle>
			<itunes:summary>A new system combines the power of plants and photovoltaics to make solar power cheap and durable. David Biello reports</itunes:summary>
			<itunes:duration>00:01:29</itunes:duration>
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			<title>How Much Energy Do You Waste Charging Your Cell Phone?</title>
			<description>Battery chargers are everywhere these days, wasting electricity. California aims to change that. David Biello reports</description>
		
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			<pubDate>Sun, 29 Jan 2012 09:00:08 -0500</pubDate>
			<itunes:subtitle>How Much Energy Do You Waste Charging Your Cell Phone?</itunes:subtitle>
			<itunes:summary>Battery chargers are everywhere these days, wasting electricity. California aims to change that. David Biello reports</itunes:summary>
			<itunes:duration>00:01:31</itunes:duration>
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			<title>Worried about Air Pollution? Don&apos;t Hide Indoors</title>
			<description>Scientists are uncovering more and more evidence that the air in buildings can be bad for you. David Biello reports</description>
		
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			<pubDate>Sun, 22 Jan 2012 09:00:08 -0500</pubDate>
			<itunes:subtitle>Worried about Air Pollution? Don&apos;t Hide Indoors</itunes:subtitle>
			<itunes:summary>Scientists are uncovering more and more evidence that the air in buildings can be bad for you. David Biello reports</itunes:summary>
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			<title>Gee Whiz, Why Not Recycle Urine for Drinking Water?</title>
			<description>The U.S. can no longer afford to ignore sewage as a source of drinking water, scientists argue. David Biello reports</description>
		
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			<pubDate>Mon, 16 Jan 2012 11:32:08 -0500</pubDate>
			<itunes:subtitle>Gee Whiz, Why Not Recycle Urine for Drinking Water?</itunes:subtitle>
			<itunes:summary>The U.S. can no longer afford to ignore sewage as a source of drinking water, scientists argue. David Biello reports</itunes:summary>
			<itunes:duration>00:01:20</itunes:duration>
			<itunes:keywords>Wastewater treatment, water recycling</itunes:keywords>
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			<itunes:explicit>no</itunes:explicit>
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			<title>Michael Mann Defends Climate Computer Models</title>
			<description>Penn State climate modeler Michael Mann talks about what computer models can tell us--and what they don&apos;t need to. David Biello reports</description>
		
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			<pubDate>Tue, 10 Jan 2012 10:27:08 -0500</pubDate>
			<itunes:subtitle>Michael Mann Defends Climate Computer Models</itunes:subtitle>
			<itunes:summary>Penn State climate modeler Michael Mann talks about what computer models can tell us--and what they don&apos;t need to. David Biello reports</itunes:summary>
			<itunes:duration>00:05:32</itunes:duration>
			<itunes:keywords>Michael Mann, climate change</itunes:keywords>
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			<itunes:explicit>no</itunes:explicit>
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			<title>Welcome to the Year of the Lightbulb</title>
			<description>Get ready to buy lightbulbs by lumens rather than watts. David Biello reports</description>
		
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			<pubDate>Sun, 1 Jan 2012 09:00:08 -0500</pubDate>
			<itunes:subtitle>Welcome to the Year of the Lightbulb</itunes:subtitle>
			<itunes:summary>Get ready to buy lightbulbs by lumens rather than watts. David Biello reports</itunes:summary>
			<itunes:duration>00:01:20</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>What Are the Chances of a White Christmas?</title>
			<description>Climate change is also messing with cherished holiday dreams. David Biello reports</description>
		
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			<pubDate>Sun, 25 Dec 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>What Are the Chances of a White Christmas?</itunes:subtitle>
			<itunes:summary>Climate change is also messing with cherished holiday dreams. David Biello reports</itunes:summary>
			<itunes:duration>00:01:31</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Should the Media Pay for Nature Conservation?</title>
			<description>Given the profits made from filming the natural world, can a scheme be worked out to pay for this ecosystem service? David Biello reports</description>
		
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			<pubDate>Sun, 18 Dec 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Should the Media Pay for Nature Conservation?</itunes:subtitle>
			<itunes:summary>Given the profits made from filming the natural world, can a scheme be worked out to pay for this ecosystem service? David Biello reports</itunes:summary>
			<itunes:duration>00:01:24</itunes:duration>
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			<title>Durban Deal May Bring Climate Change Action into 21st Century</title>
			<description>As time ran out on the latest international climate change negotiations, an agreement was reached that includes all significant countries in the effort to reduce greenhouse gases. David Biello reports</description>
		
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			<pubDate>Sun, 11 Dec 2011 10:16:08 -0500</pubDate>
			<itunes:subtitle>Durban Deal May Bring Climate Change Action into 21st Century</itunes:subtitle>
			<itunes:summary>As time ran out on the latest international climate change negotiations, an agreement was reached that includes all significant countries in the effort to reduce greenhouse gases. David Biello reports</itunes:summary>
			<itunes:duration>00:01:17</itunes:duration>
			<itunes:keywords>Kyoto protocol, Durban protocol, climate change, greenhouse gases</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Simmering Planet Keeps Heating</title>
			<description>Despite decades of warnings, greenhouse gas emissions continue to rise, warming the world. Can such pollution peak this decade? David Biello asks</description>
		
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			<pubDate>Sun, 4 Dec 2011 13:00:08 -0500</pubDate>
			<itunes:subtitle>Simmering Planet Keeps Heating</itunes:subtitle>
			<itunes:summary>Despite decades of warnings, greenhouse gas emissions continue to rise, warming the world. Can such pollution peak this decade? David Biello asks</itunes:summary>
			<itunes:duration>00:01:27</itunes:duration>
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			<itunes:author>Scientific American</itunes:author>
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			<title>Give Thanks for Methods to Cut Back on Wasted Food</title>
			<description>The world wastes more food than all of sub-Saharan Africa produces. Can that be stopped? David Biello reports</description>
		
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			<pubDate>Sun, 27 Nov 2011 12:00:08 -0500</pubDate>
			<itunes:subtitle>Give Thanks for Methods to Cut Back on Wasted Food</itunes:subtitle>
			<itunes:summary>The world wastes more food than all of sub-Saharan Africa produces. Can that be stopped? David Biello reports</itunes:summary>
			<itunes:duration>00:01:27</itunes:duration>
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			<title>Oceans Teem with Tiny Plastic Particles</title>
			<description>Washing machine wastewater carries tiny pieces of plastic to the oceans, where they wind up in sea life. David Biello reports</description>
		
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			<pubDate>Sun, 20 Nov 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Oceans Teem with Tiny Plastic Particles</itunes:subtitle>
			<itunes:summary>Washing machine wastewater carries tiny pieces of plastic to the oceans, where they wind up in sea life. David Biello reports</itunes:summary>
			<itunes:duration>00:01:28</itunes:duration>
			<itunes:keywords>Microplastic, oceans</itunes:keywords>
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			<title>Flying on a Wing and Oil from Plants</title>
			<description>A new era in aviation dawned this week in the U.S. with the first flights powered by biofuels. David Biello reports</description>
		
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			<pubDate>Sun, 13 Nov 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Flying on a Wing and Oil from Plants</itunes:subtitle>
			<itunes:summary>A new era in aviation dawned this week in the U.S. with the first flights powered by biofuels. David Biello reports</itunes:summary>
			<itunes:duration>00:01:45</itunes:duration>
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			<title>Buried in Coal Ash?</title>
			<description>After yet another coal ash spill, is there anything that can be done to deal with the toxic waste? David Biello reports</description>
		
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			<pubDate>Sun, 6 Nov 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Buried in Coal Ash?</itunes:subtitle>
			<itunes:summary>After yet another coal ash spill, is there anything that can be done to deal with the toxic waste? David Biello reports</itunes:summary>
			<itunes:duration>00:01:21</itunes:duration>
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			<title>Halloween Chocolate: More Trick Than Treat?</title>
			<description>Chocolate has a dark side--child slave labor. David Biello reports</description>
		
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			<pubDate>Sun, 30 Oct 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Halloween Chocolate: More Trick Than Treat?</itunes:subtitle>
			<itunes:summary>Chocolate has a dark side--child slave labor. David Biello reports</itunes:summary>
			<itunes:duration>00:01:32</itunes:duration>
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			<title>Why Is the CIA Keeping Climate Change Secret?</title>
			<description>The Central Intelligence Agency is working on climate change, but you&apos;d never know it. David Biello reports</description>
		
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			<pubDate>Sun, 23 Oct 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Why Is the CIA Keeping Climate Change Secret?</itunes:subtitle>
			<itunes:summary>The Central Intelligence Agency is working on climate change, but you&apos;d never know it. David Biello reports</itunes:summary>
			<itunes:duration>00:01:27</itunes:duration>
			<itunes:keywords>Climate change, CIA, Central Intelligence Agency, Richard Muller</itunes:keywords>
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			<title>Disc Spins Its Way to $1-Million Oil Spill Cleanup Prize</title>
			<description>Is there a better way to clean up the next oil spill disaster? David Biello reports</description>
		
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			<itunes:subtitle>Disc Spins Its Way to $1-Million Oil Spill Cleanup Prize</itunes:subtitle>
			<itunes:summary>Is there a better way to clean up the next oil spill disaster? David Biello reports</itunes:summary>
			<itunes:duration>00:01:31</itunes:duration>
			<itunes:keywords>Wendy Schmidt X Prize, oil spill, Elastec</itunes:keywords>
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			<itunes:explicit>no</itunes:explicit>
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			<title>How Steve Jobs Tried to Make Apple Green</title>
			<description>The environmental and social impacts of all our gadgets are not insignificant. David Biello reports</description>
		
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			<pubDate>Sun, 9 Oct 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>How Steve Jobs Tried to Make Apple Green</itunes:subtitle>
			<itunes:summary>The environmental and social impacts of all our gadgets are not insignificant. David Biello reports</itunes:summary>
			<itunes:duration>00:01:32</itunes:duration>
			<itunes:keywords>Steve Jobs, Apple, iPod,</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>World&apos;s Largest River Restoration Project Begins</title>
			<description>The removal of two dams on the Elwha River will help restore once-abundant salmon runs. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=C4D44D0D-F977-6EF2-B4B560F85F55C9D0&amp;ref=p_itune</link>
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			<pubDate>Sun, 2 Oct 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>World&apos;s Largest River Restoration Project Begins</itunes:subtitle>
			<itunes:summary>The removal of two dams on the Elwha River will help restore once-abundant salmon runs. David Biello reports</itunes:summary>
			<itunes:duration>00:01:32</itunes:duration>
			<itunes:keywords>Elwha River, dam, salmon, salmon runs, Glines Canyon Dam</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Fukushima Fallout in Japan</title>
			<description>The melted down reactors are stabilizing, but the real work of repair has yet to begin. David Biello reports</description>
		
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			<pubDate>Sun, 25 Sep 2011 09:00:08 -0500</pubDate>
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			<itunes:summary>The melted down reactors are stabilizing, but the real work of repair has yet to begin. David Biello reports</itunes:summary>
			<itunes:duration>00:02:40</itunes:duration>
			<itunes:keywords>Fukushima, nuclear reactor, radiation, milliseivert</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Can the World Handle Chinese Cars?</title>
			<description>The first car mostly made in China has arrived for sale in the U.S. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=7CCE7CAA-B7EE-5498-4AB163417BAFE041&amp;ref=p_itune</link>
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			<pubDate>Sun, 18 Sep 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Can the World Handle Chinese Cars?</itunes:subtitle>
			<itunes:summary>The first car mostly made in China has arrived for sale in the U.S. David Biello reports</itunes:summary>
			<itunes:duration>00:01:25</itunes:duration>
			<itunes:keywords>electric cars, cars,</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Need a Break? Try Nature</title>
			<description>A growing body of research suggests nature walks may be more restorative than traditional stimulants like caffeine. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=58FE04B1-0549-09BD-464CCFBB839EFDB3&amp;ref=p_itune</link>
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			<pubDate>Sun, 11 Sep 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Need a Break? Try Nature</itunes:subtitle>
			<itunes:summary>A growing body of research suggests nature walks may be more restorative than traditional stimulants like caffeine. David Biello reports</itunes:summary>
			<itunes:duration>00:01:27</itunes:duration>
			<itunes:keywords>9/11, caffeine addiction, caffeine, nature, benefits of nature</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Need Rain? Try Lasers</title>
			<description>New experiments show that firing lasers into the air might help induce or reduce rain. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=34C000E4-A191-413E-4DD4F93E3F5DF4FE&amp;ref=p_itune</link>
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			<pubDate>Sun, 4 Sep 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Need Rain? Try Lasers</itunes:subtitle>
			<itunes:summary>New experiments show that firing lasers into the air might help induce or reduce rain. David Biello reports</itunes:summary>
			<itunes:duration>00:01:27</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>How Much Life Does Earth Host?</title>
			<description>The number of species currently alive is a best guess at best. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=10E3CBA7-AFF4-676C-3B0808315894CA20&amp;ref=p_itune</link>
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			<pubDate>Sun, 28 Aug 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>How Much Life Does Earth Host?</itunes:subtitle>
			<itunes:summary>The number of species currently alive is a best guess at best. David Biello reports</itunes:summary>
			<itunes:duration>00:01:20</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Why Environmentalism Is Conservative</title>
			<description>Have conservatives abandoned their roots as environmental leaders? David Biello investigates</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=ECC0F84B-92F7-0E22-415460FA9A94370F&amp;ref=p_itune</link>
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			<pubDate>Sun, 21 Aug 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Why Environmentalism Is Conservative</itunes:subtitle>
			<itunes:summary>Have conservatives abandoned their roots as environmental leaders? David Biello investigates</itunes:summary>
			<itunes:duration>00:01:33</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Bringing Birds Back to Regrowing Forests</title>
			<description>Once fragmented forests are growing back together, do tropical birds follow? David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=C86891F8-FAA2-73A6-2649D649F6E70437&amp;ref=p_itune</link>
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			<pubDate>Sun, 14 Aug 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Bringing Birds Back to Regrowing Forests</itunes:subtitle>
			<itunes:summary>Once fragmented forests are growing back together, do tropical birds follow? David Biello reports</itunes:summary>
			<itunes:duration>00:01:24</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>What If the Smart Grid Isn&apos;t So Smart?</title>
			<description>New analyses show that equipping consumers with real-time information about electricity prices could crash the grid. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=A4A1619D-01C0-959A-1E36D0A055BDCDE6&amp;ref=p_itune</link>
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			<pubDate>Sun, 7 Aug 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>What If the Smart Grid Isn&apos;t So Smart?</itunes:subtitle>
			<itunes:summary>New analyses show that equipping consumers with real-time information about electricity prices could crash the grid. David Biello reports</itunes:summary>
			<itunes:duration>00:01:30</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Eating the Lionfish</title>
			<description>The answer to an invasive fish species in the Atlantic and Caribbean may just be overfishing. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=77D19779-E7E2-4492-3C3F81187973A615&amp;ref=p_itune</link>
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			<pubDate>Sun, 31 Jul 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Eating the Lionfish</itunes:subtitle>
			<itunes:summary>The answer to an invasive fish species in the Atlantic and Caribbean may just be overfishing. David Biello reports</itunes:summary>
			<itunes:duration>00:01:26</itunes:duration>
			<itunes:keywords>lionfish, over fishing,</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Feeding the Grid with Sunshine at College</title>
			<description>Butte College in California hosts a massive solar array, which allows it to produce more electricity than it uses. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=5D2CF426-9F0A-F981-C9CD27F2303CC562&amp;ref=p_itune</link>
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			<pubDate>Sun, 24 Jul 2011 12:00:08 -0500</pubDate>
			<itunes:subtitle>Feeding the Grid with Sunshine at College</itunes:subtitle>
			<itunes:summary>Butte College in California hosts a massive solar array, which allows it to produce more electricity than it uses. David Biello reports</itunes:summary>
			<itunes:duration>00:01:26</itunes:duration>
			<itunes:keywords>solar energy, Butte College, solar array, green energy</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Absence of Top Predators Brings Unanticipated Changes</title>
			<description>Ecologists document the negative ripple effects of removing top predators from ecosystems. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=388E6240-D056-940B-9CEE6797B51A058E&amp;ref=p_itune</link>
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			<pubDate>Sun, 17 Jul 2011 11:00:08 -0500</pubDate>
			<itunes:subtitle>Absence of Top Predators Brings Unanticipated Changes</itunes:subtitle>
			<itunes:summary>Ecologists document the negative ripple effects of removing top predators from ecosystems. David Biello reports</itunes:summary>
			<itunes:duration>00:01:17</itunes:duration>
			<itunes:keywords>Top predators, trophic downgrading</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Electric Cars May Need Noisemakers</title>
			<description>Whisper-quiet electric and hybrid cars may need an artificial sound boost to let pedestrians know they&apos;re there. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=16CA588A-C346-A00C-9E91166150EBDF75&amp;ref=p_itune</link>
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			<pubDate>Sun, 10 Jul 2011 21:31:08 -0500</pubDate>
			<itunes:subtitle>Electric Cars May Need Noisemakers</itunes:subtitle>
			<itunes:summary>Whisper-quiet electric and hybrid cars may need an artificial sound boost to let pedestrians know they&apos;re there. David Biello reports</itunes:summary>
			<itunes:duration>00:01:16</itunes:duration>
			<itunes:keywords>Electric car, EV, electric vehicle</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>The Buzz on Beer and Soda Fizz</title>
			<description>A look at the environmental burden of our favorite summer beverages. David Biello reports</description>
		
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			<pubDate>Wed, 6 Jul 2011 08:35:08 -0500</pubDate>
			<itunes:subtitle>The Buzz on Beer and Soda Fizz</itunes:subtitle>
			<itunes:summary>A look at the environmental burden of our favorite summer beverages. David Biello reports</itunes:summary>
			<itunes:duration>00:01:16</itunes:duration>
			<itunes:keywords>Soda, beer, carbon dioxide, soft drinks</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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		<item>
			<title>Pacific Plankton Crosses to Atlantic...Thanks to Arctic Meltdown</title>
			<description>Warmer temperatures in the North are allowing species to shift from ocean to ocean. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=CC0B71B3-BD28-CC80-D3963C2BB8F1AC54&amp;ref=p_itune</link>
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			<pubDate>Sun, 26 Jun 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Pacific Plankton Crosses to Atlantic...Thanks to Arctic Meltdown</itunes:subtitle>
			<itunes:summary>Warmer temperatures in the North are allowing species to shift from ocean to ocean. David Biello reports</itunes:summary>
			<itunes:duration>00:01:31</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Sunspot-Related Cooling Can&apos;t Offset Greenhouse Warming</title>
			<description>Changes to the sunspot cycle will have an impact on our weather and climate--but not a very big one. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=9FEB4E4E-FCC5-F881-CFB795E8469115DE&amp;ref=p_itune</link>
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			<pubDate>Sun, 19 Jun 2011 04:00:08 -0500</pubDate>
			<itunes:subtitle>Sunspot-Related Cooling Can&apos;t Offset Greenhouse Warming</itunes:subtitle>
			<itunes:summary>Changes to the sunspot cycle will have an impact on our weather and climate--but not a very big one. David Biello reports</itunes:summary>
			<itunes:duration>00:01:16</itunes:duration>
			<itunes:keywords>Sunspots, climate change</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Pavement Contributes to Poor Air Quality</title>
			<description>Paved roads and sprawl are likely to blame for summertime smog buildup. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=83AD5D02-D3BE-EDDF-39693B6FB48BFF8C&amp;ref=p_itune</link>
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			<pubDate>Sun, 12 Jun 2011 19:28:08 -0500</pubDate>
			<itunes:subtitle>Pavement Contributes to Poor Air Quality</itunes:subtitle>
			<itunes:summary>Paved roads and sprawl are likely to blame for summertime smog buildup. David Biello reports</itunes:summary>
			<itunes:duration>00:01:22</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Are Biodegradeable Plastics Doing More Harm Than Good?</title>
			<description>Depends on whether one worries about climate change or persistent plastics in terrestrial and marine ecosystems. David Biello reports</description>
		
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			<pubDate>Sun, 5 Jun 2011 09:01:08 -0500</pubDate>
			<itunes:subtitle>Are Biodegradeable Plastics Doing More Harm Than Good?</itunes:subtitle>
			<itunes:summary>Depends on whether one worries about climate change or persistent plastics in terrestrial and marine ecosystems. David Biello reports</itunes:summary>
			<itunes:duration>00:01:22</itunes:duration>
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			<title>Whither the Honey Bee?</title>
			<description>For the fourth consecutive year, roughly one third of managed honey bees died last winter. David Biello reports</description>
		
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			<pubDate>Sun, 29 May 2011 09:01:08 -0500</pubDate>
			<itunes:subtitle>Whither the Honey Bee?</itunes:subtitle>
			<itunes:summary>For the fourth consecutive year, roughly one third of managed honey bees died last winter. David Biello reports</itunes:summary>
			<itunes:duration>00:01:29</itunes:duration>
			<itunes:keywords>bees, colony collapse disorder, CCD, honeybee, honeybees</itunes:keywords>
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			<itunes:explicit>no</itunes:explicit>
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			<title>What Does the Fukushima Meltdown Mean for U.S. Reactors?</title>
			<description>It is now clear that at least one reactor at Fukushima experienced a full core meltdown, so what does that mean for similar nuclear power plants in the U.S.? David Biello reports</description>
		
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			<pubDate>Sun, 22 May 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>What Does the Fukushima Meltdown Mean for U.S. Reactors?</itunes:subtitle>
			<itunes:summary>It is now clear that at least one reactor at Fukushima experienced a full core meltdown, so what does that mean for similar nuclear power plants in the U.S.? David Biello reports</itunes:summary>
			<itunes:duration>00:01:23</itunes:duration>
			<itunes:keywords>Fukushima Meltdown, nuclear energy, reactor, Fukushima, Vermont Yankee</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>America&apos;s Climate Choices Are Narrowing</title>
			<description>With every year of inaction the risks posed by climate change grow, according to a new report requested by Congress. David Biello reports</description>
		
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			<pubDate>Sun, 15 May 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>America&apos;s Climate Choices Are Narrowing</itunes:subtitle>
			<itunes:summary>With every year of inaction the risks posed by climate change grow, according to a new report requested by Congress. David Biello reports</itunes:summary>
			<itunes:duration>00:01:23</itunes:duration>
			<itunes:keywords>greenhouse gasses, CO2, carbon dioxide, global warming, climate change, China,</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Whales Return to NYC Harbor</title>
			<description>A variety of species of whales have been rediscovered in the vicinity of New York City. Is it because they love musicals? David Biello investigates</description>
		
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			<pubDate>Sun, 8 May 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Whales Return to NYC Harbor</itunes:subtitle>
			<itunes:summary>A variety of species of whales have been rediscovered in the vicinity of New York City. Is it because they love musicals? David Biello investigates</itunes:summary>
			<itunes:duration>00:01:30</itunes:duration>
			<itunes:keywords>blue whales, whales, Long Island, whaling</itunes:keywords>
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			<itunes:explicit>no</itunes:explicit>
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			<title>Solar Power Boosts Home Sales?</title>
			<description>A new study finds that photovoltaic systems provide a premium for houses. David Biello reports</description>
		
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			<pubDate>Sun, 1 May 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Solar Power Boosts Home Sales?</itunes:subtitle>
			<itunes:summary>A new study finds that photovoltaic systems provide a premium for houses. David Biello reports</itunes:summary>
			<itunes:duration>00:01:23</itunes:duration>
			<itunes:keywords>solar, homes, home buying, home selling, photovoltaic system</itunes:keywords>
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			<itunes:explicit>no</itunes:explicit>
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			<title>Can Re-Wilding Work?</title>
			<description>Introducing animal analogues of their extinct cousins might help repair otherwise irreparable ecosystem damage. David Biello reports</description>
		
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			<pubDate>Sun, 24 Apr 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Can Re-Wilding Work?</itunes:subtitle>
			<itunes:summary>Introducing animal analogues of their extinct cousins might help repair otherwise irreparable ecosystem damage. David Biello reports</itunes:summary>
			<itunes:duration>00:01:27</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Can Taxes Be Green?</title>
			<description>Could taxing environmental ills prove more of a solution to pollution than dilution? David Biello investigates</description>
		
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			<pubDate>Sun, 17 Apr 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Can Taxes Be Green?</itunes:subtitle>
			<itunes:summary>Could taxing environmental ills prove more of a solution to pollution than dilution? David Biello investigates</itunes:summary>
			<itunes:duration>00:01:26</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>How Doth Your Native Flora Grow?</title>
			<description>The diversity of local plants goes down when a city springs up. David Biello reports</description>
		
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			<pubDate>Sun, 10 Apr 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>How Doth Your Native Flora Grow?</itunes:subtitle>
			<itunes:summary>The diversity of local plants goes down when a city springs up. David Biello reports</itunes:summary>
			<itunes:duration>00:01:18</itunes:duration>
			<itunes:keywords>Spring, pollen</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Will Today&apos;s Trash Be Tomorrow&apos;s Island?</title>
			<description>Ancient trash heaps became modern tree islands in the Everglades. David Biello reports</description>
		
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			<pubDate>Sun, 3 Apr 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Will Today&apos;s Trash Be Tomorrow&apos;s Island?</itunes:subtitle>
			<itunes:summary>Ancient trash heaps became modern tree islands in the Everglades. David Biello reports</itunes:summary>
			<itunes:duration>00:01:21</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>The Origin of Life</title>
			<description>A new analysis suggests lightning and volcanoes helped make life possible. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=F7DF294C-0572-3AF1-BD4CDE5F70FAF914&amp;ref=p_itune</link>
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			<pubDate>Sun, 27 Mar 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>The Origin of Life</itunes:subtitle>
			<itunes:summary>A new analysis suggests lightning and volcanoes helped make life possible. David Biello reports</itunes:summary>
			<itunes:duration>00:01:24</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Chernobyl Opens for Tourism</title>
			<description>Next month marks Chernobyl&apos;s 25th anniversary, and the site is now accepting tourists. Christie Nicholson reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=D4402497-B514-A24A-A10F19F65843FB32&amp;ref=p_itune</link>
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			<pubDate>Sun, 20 Mar 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Chernobyl Opens for Tourism</itunes:subtitle>
			<itunes:summary>Next month marks Chernobyl&apos;s 25th anniversary, and the site is now accepting tourists. Christie Nicholson reports</itunes:summary>
			<itunes:duration>00:01:30</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Oil Spills Mean Air Pollution, Too</title>
			<description>BP&apos;s massive oil spill in the Gulf of Mexico didn&apos;t just foul the ocean, it also tainted the air. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=AF7377A9-0177-7BEA-3FA4A4862F219BFB&amp;ref=p_itune</link>
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			<pubDate>Sun, 13 Mar 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Oil Spills Mean Air Pollution, Too</itunes:subtitle>
			<itunes:summary>BP&apos;s massive oil spill in the Gulf of Mexico didn&apos;t just foul the ocean, it also tainted the air. David Biello reports</itunes:summary>
			<itunes:duration>00:01:25</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Predicting the Future of Oil</title>
			<description>And what does that mean for the U.S. economy and environment? David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=8BE058BE-BA75-94E5-6522A84CF2869A21&amp;ref=p_itune</link>
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			<pubDate>Sun, 6 Mar 2011 09:01:08 -0500</pubDate>
			<itunes:subtitle>Predicting the Future of Oil</itunes:subtitle>
			<itunes:summary>And what does that mean for the U.S. economy and environment? David Biello reports</itunes:summary>
			<itunes:duration>00:02:48</itunes:duration>
			<itunes:keywords>Steven Chu, ARAPe, electric car, batteries, energy, oil</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Global Rise of the Fire Ant? Blame U.S. Trade</title>
			<description>A new study shows that the invasive species has spread not from its original home in South America but from its beachhead in the southeastern U.S., David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=67B21C77-C0A5-1800-DD844B55E2EB196C&amp;ref=p_itune</link>
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			<pubDate>Sun, 27 Feb 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Global Rise of the Fire Ant? Blame U.S. Trade</itunes:subtitle>
			<itunes:summary>A new study shows that the invasive species has spread not from its original home in South America but from its beachhead in the southeastern U.S., David Biello reports</itunes:summary>
			<itunes:duration>00:01:22</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Permafrost Meltdown May Herald Climate Catastrophe</title>
			<description>The thawing of a thin layer of frozen Arctic soils will exacerbate global warming. David Biello reports</description>
		
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			<pubDate>Sun, 20 Feb 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Permafrost Meltdown May Herald Climate Catastrophe</itunes:subtitle>
			<itunes:summary>The thawing of a thin layer of frozen Arctic soils will exacerbate global warming. David Biello reports</itunes:summary>
			<itunes:duration>00:01:28</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Does Drilling for Electricity Make Sense?</title>
			<description>Harnessing Earth&apos;s heat to make electricity is an underrated renewable resource. David Biello reports</description>
		
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			<pubDate>Sun, 13 Feb 2011 21:20:08 -0500</pubDate>
			<itunes:subtitle>Does Drilling for Electricity Make Sense?</itunes:subtitle>
			<itunes:summary>Harnessing Earth&apos;s heat to make electricity is an underrated renewable resource. David Biello reports</itunes:summary>
			<itunes:duration>00:01:16</itunes:duration>
			<itunes:keywords>Geothermal, steam, electricity, alternative energy</itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Teaching Bankers about Climate Change</title>
			<description>Why is HSBC teaching its employees about global warming? David Biello reports</description>
		
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			<itunes:subtitle>Teaching Bankers about Climate Change</itunes:subtitle>
			<itunes:summary>Why is HSBC teaching its employees about global warming? David Biello reports</itunes:summary>
			<itunes:duration>00:01:25</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Another Reason to Hate Shopping Sound Tracks</title>
			<description>The background music in stores and shopping malls designed to spur sales also spur emissions of greenhouse gases. David Biello reports</description>
		
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			<pubDate>Sun, 30 Jan 2011 13:00:08 -0500</pubDate>
			<itunes:subtitle>Another Reason to Hate Shopping Sound Tracks</itunes:subtitle>
			<itunes:summary>The background music in stores and shopping malls designed to spur sales also spur emissions of greenhouse gases. David Biello reports</itunes:summary>
			<itunes:duration>00:01:28</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Is Coal Fly Ash Responsible for Mass Extinction?</title>
			<description>Forget CO2, the toxic aftermath of coal burning might be responsible for the worst mass extinction event the world has ever known. David Biello reports</description>
		
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			<pubDate>Sun, 23 Jan 2011 13:01:08 -0500</pubDate>
			<itunes:subtitle>Is Coal Fly Ash Responsible for Mass Extinction?</itunes:subtitle>
			<itunes:summary>Forget CO2, the toxic aftermath of coal burning might be responsible for the worst mass extinction event the world has ever known. David Biello reports</itunes:summary>
			<itunes:duration>00:01:23</itunes:duration>
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			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Strike Off the Band, Says Penguin Study</title>
			<description>Banding penguins to track them is bad for their health, a new study reports. David Biello investigates</description>
		
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			<pubDate>Sun, 16 Jan 2011 10:00:08 -0500</pubDate>
			<itunes:subtitle>Strike Off the Band, Says Penguin Study</itunes:subtitle>
			<itunes:summary>Banding penguins to track them is bad for their health, a new study reports. David Biello investigates</itunes:summary>
			<itunes:duration>00:01:21</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>No Such Thing as a Free Parking Spot</title>
			<description>It&apos;s not just driving our cars that harms the environment, parking them also poses a problem. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=6AE85C02-C1D2-EC99-9A6850FE61553A07&amp;ref=p_itune</link>
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			<pubDate>Sun, 9 Jan 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>No Such Thing as a Free Parking Spot</itunes:subtitle>
			<itunes:summary>It&apos;s not just driving our cars that harms the environment, parking them also poses a problem. David Biello reports</itunes:summary>
			<itunes:duration>00:01:18</itunes:duration>
			<itunes:keywords></itunes:keywords>
			<itunes:author>Scientific American</itunes:author>
			<itunes:explicit>no</itunes:explicit>
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			<title>Drink &apos;til You&apos;re Green</title>
			<description>What&apos;s worse than a hangover? The environmental impact of your drinking and mine. David Biello reports</description>
		
			<link>http://www.scientificamerican.com/podcast/podcast.mp3?e_id=38422FAE-06D5-4E99-5006EFAAF0BF230A&amp;ref=p_itune</link>
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			<pubDate>Sun, 2 Jan 2011 09:00:08 -0500</pubDate>
			<itunes:subtitle>Drink &apos;til You&apos;re Green</itunes:subtitle>
			<itunes:summary>What&apos;s worse than a hangover? The environmental impact of your drinking and mine. David Biello reports</itunes:summary>
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