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Fossilized Creek Beds Offer Up Ancient Climate Change CluesDeciphering story of old waterways might aid understanding of climate change.
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Ancient Civilization Cut Path to DemiseThe ancient South American Nasca civilization may have caused its own demise by clear-cutting huge swaths of forest, a new study found.
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The Science of Hunger: What 1 Billion People FeelWhat hunger does and how people around the world suffer its consequences.
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Pollution Reduces Rain Vital to Crops
Air pollution in China has cut the amount of light rainfall by 23 percent over the past 50 years.
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Heat-Tolerant Corn Could Prevent Future StarvationHybrids that yield unusually large seeds are nutritional powerhouses that could help counter global warming's effects on crops.
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Birth Defects Tied to Season of ConceptionSpring and early summer is the nation's season of risk for conceiving a child with birth defects, a new study finds.
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Small Farms Sprout in Economic DroughtTens of thousands of small farms were created since 2002, according to new data from the Census of Agriculture.
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Obama Energy Secretary: California Vineyards Could DisappearAny questions about whether the Obama administration views global warming seriously were answered today.
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Human Hair Makes Good FertilizerStudy finds human hair can work as fertilizer for slow-growing plants.
