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April 22, 2010, marks the 40th anniversary of the original Earth Day. How far has the planet come in the intervening decades?
April 21, 2010 |
Slide Show
What is the state of our planet, its health and the impact humans have had upon it? Based on maps from the Atlas of Global Conservation, Scientific American brings you the global perspective on our planet in this multimedia presentation.
Science Talk
Writer and activist Bill McKibben talks to Scientific American's Mark Fischetti about his new book Eaarth: Making A Life On A Tough New Planet. Part 1 of 2. Edited and produced by podcast host Steve Mirsky (picture above)
60-Second Earth
It's not paper, plastic or even aluminum. David Biello reports
The best possible thing we all can do this week to honor Earth is to shop till we drop
Is there a safe level of carbon dioxide in the atmosphere to prevent "dangerous anthropogenic interference" in the climate?
Way back before global warming was a household term and canvas totes were a fashionable alternative to shopping bags, environmental supporters started with the basics: recycling, energy use, pesticides and population growth
Scientists propose a list of planetary boundaries for human impacts ranging from biodiversity loss to the global nitrogen cycle
The next garbage frontier is an "upstream" focus on solid waste management
Global warming could speed the time it takes Earth to rotate completely on its axis
Passive cooking, gas cap checkups, neighborhood dating and more
Do greener gadgets help the planet or hurt it?
Humankind has fundamentally altered the planet. But new thinking and new actions can prevent us from destroying ourselves
The people of the world continue to grapple with the question of how best to combat climate change
Geothermal, solar thermal, and even nuclear power could provide alternatives to today's carbon-based fuel sources
ARPA-E, the U.S.'s energy transformation agency, is doling out funds for greener power, but is it too conservative?
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