Climate
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PhysicsScience Stimulus
Barack Obama has proven to be an impresario at selling new policies — and at selling himself as the best man to implement them. On the stump a year ago he promised a no-nonsense, let’s-fix-this approach to the nation’s mounting social and economic ills. His campaign pledges ranged from making health care insurance universally affordable […]
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Climate
Obama’s budget would boost science
Featured blog: Here's a preview of what science programs the Obama administration plans to push in the coming year's federal budget.
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Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
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Humans
AAAS: Climate-friendly fish
Many intangibles determine how big — or small — the carbon footprint is of that fish you're thinking about eating.
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Climate
The hidden costs of better fuels
Whether crop-based biofuels will reduce greenhouse gas emissions depends on how, and where, they're grown.
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Humans
AAAS: March of the Hungry Penguins
Patagonian penguins have become sentinels of climate change and human impacts on the marine world.
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Earth
First wave
The Maldives, a chain of some 1,200 islands in the middle of the Indian Ocean, sits about 700 kilometers southwest of Sri Lanka and lures more than half a million adventurers each year. They come to this smallest of Asian countries to scuba dive, surf, fish and cruise in picturesque atolls known for white sandy […]
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Climate
Plumes of arctic haze traced to Russia, Kazakhstan
Smoke from forest fires, agricultural burning may be substantial part of springtime plumes.
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Climate
Winter birds shift north
More than 170 common North American species are wintering farther north than they did in the past.
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Earth
California may yet get the first greenhouse gas limits for cars
President Obama decides to revisit a controversial decision made less than a year ago by his predecessor.
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Tech
Stimulus bill doesn’t ignore R&D
Featured blog: Here's where the economic-stimulus bill would attempt to revamp and reinvigorate federally financed research.