Climate
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EarthPolitical Science
New York's mayor argues that science should not only inform action, but also prod it.
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Chemistry
Help the Climate: Empty the Fridge
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Climate
When Is a Consensus on Climate Not a Consensus?
A protein chemist reported he had assembled a list of more than 30,000 scientists who challenge the idea that human releases of greenhouse gases are warming Earth's climate.
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Chemistry
Freon’s Cool Link to Climate
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Climate
Boreal forests shift north
As forests move northward and to higher elevations, they alter ecosystems and threaten to further heat the Arctic's already warming climate.
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Animals
Polar bears listed
Polar bear declared "threatened," but Secretary limits decision's impact.
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Earth
Climate clues in ice
A kilometers-long ice core from Antarctica has been recording climate information for the past 800,000 years and has revealed a three millennia–long period when carbon dioxide levels in the air were lower than any previously measured.
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Climate
A little drier every day
The Sahara, one of the hottest and driest regions on Earth, gradually became arid over a period of centuries, a finding that contradicts many previous studies.
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Life
Brittle arms lose muscle
In lab simulations of future ocean conditions, brittle stars grow extra-calcified but puny arms.
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Earth
Babbitt to Southern Louisiana: Look into Gondolas
“New Orleans, at the end of the century, will be an island” — literally, predicts Bruce Babbitt. Whether or not you believe his assessment, he makes a good case for considering the implications of climate change when planning federal projects.