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Nature
Whale sedation aids conservation
By Daniel Cressey
Only around 300 endangered right whales remain in the North Atlantic, and a number of them end up tangled in fishing gear off the east coast of the United States.
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Observations
Is Earth past the tipping point?
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Expeditions
Nitrogen cruise ends, mission to explore undersea volcanism begins
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Scientific American Magazine
Boundaries for a Healthy Planet
Scientists have set thresholds for key environmental processes that, if crossed, could threaten Earth's habitability. Ominously, three have already been exceeded -
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Polar bear, bluefin tuna trade bans rejected
Could a Rich Man's Experiment Trigger an Ice Age?
Caviar hunters push sturgeon to "extinction's edge"
Study: High Arctic's biodiversity down 26 percent since 1970
Small Dogs Prove Susceptible to Flea Poison
U.N. meeting asked to regulate world shark trade
Breaking the Climate Debate Logjam
Climate Change: A Controlled Experiment
Report: Climate change is taking a toll on U.S. bird populations
Advances in disease surveillance: Putting the "public" into public health
Is Earth past the tipping point?
Study: High Arctic's biodiversity down 26 percent since 1970
Could a Rich Man's Experiment Trigger an Ice Age?
Small Dogs Prove Susceptible to Flea Poison
Report: Climate change is taking a toll on U.S. bird populations
Breaking the Climate Debate Logjam
Nitrogen cruise ends, mission to explore undersea volcanism begins
Advances in disease surveillance: Putting the "public" into public health
Climate Change: A Controlled Experiment
Scientific American Magazine
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