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Kelp Waits to Take Its Place in America's StomachsNutritious and environmentally friendly, seaweed could be the crop of the future in North America, but hopeful growers and marketers of "sea vegetables" face challenges.
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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.
