Earth
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We summarize the week's scientific breakthroughs every Thursday.
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EarthIn the aftermath
The charcoal left after a forest fire stimulates microbial activity that boosts carbon loss from organic material covering the ground.
By Sid Perkins -
EarthIt’s the meat not the miles
Eating less red meat and dairy may do more to reduce food-associated greenhouse gas emissions than shopping locally.
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EarthHeat relief
A new data-rich climate model foresees a short-term reprieve from warming for parts of western Europe and North America.
By Sid Perkins -
HumansBear deadline
Court calls for the already overdue decision on listing polar bears as a threatened species.
By Susan Milius -
EarthMolten salts give biofuels a boost
Making biofuels from the chemical energy locked in plant cell walls has proven difficult, but molten salts may help.
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EcosystemsBuilding Homes Where the Buffalo Roamed
A new study finds that being environmentally conscious is no guarantee you’ll put your home where you mouth is.
By Janet Raloff -
HumansThe Return of EPA’s Libraries
After mothballing five libraries as a purported cost-cutting gesture, the agency is now responding to congressional prodding and unboxing its books.
By Janet Raloff -
ClimateScience News for Kids: Polar Ice Feels the Heat
From glaciers to sea ice, the big melt is on.
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EarthClimate fix could deplete polar ozone
Scientists seeking to cool Earth’s climate by injecting sulfuric acid droplets high in the atmosphere might trim rising temperatures but could also destroy much of the ozone in polar regions, a new study suggests.
By Sid Perkins -
EcosystemsEight-legged bags of poison
Birds eating arachnids get high dose of toxic metal as mercury climbs up the food chain.
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EcosystemsBeetle attack overturns forest carbon regime
Ravaged Canadian region switches from carbon sink to net carbon source.
By Susan Milius -
AgricultureStudy decodes papaya genome
Scientists have added another plant to the genome-sequencing roster: the tropical fruit tree papaya.