Açaí has become popular in the U.S. and Europe, but perhaps the fruit's most concrete effects are felt in its Brazilian home, where açaí is changing incomes and lifestyles.
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South Africa on Thursday auctioned more than 50 metric tons of ivory as part of a one-time series of sales approved by a UN body. Critics say the sales could encourage poaching.
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A nearly 2,000-year-old cave rock reveals a relationship between periods of heavy rains and major events in ancient Chinese history.
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The mineral-crunching microorganisms help leach valuable metals, such as copper, in a cheaper and more environmentally friendly way.
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Overturning a local ruling and angering environmentalists, the Scottish government approved Donald Trump to build "the greatest golf course in the world" along the Scottish coast.
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The Antarctic ozone hole reached its 2008 peak at 10.5 million square miles (27.2 million square kilometers), short of the 2006 record size of 10.6 million square miles (27.5 million square kilometers...
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A fungus discovered in Belize seems to be a new genus from a group used in Asian herbal medicines and immune disease treatment.
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Already threatened by deforestation, rare Peruvian yellow-tailed woolly monkeys face doom as their babies are sold for a few dollars and their genital hair is taken as a trophy.
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A fungus usually found in Arctic and Antarctic soils has infected bat colonies in the northeastern U.S., though it's unknown if the organism kills the mammals, a new study says.
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Huge vertical jolts can accompany side-to-side shaking usually felt during quakes, a movement not factored into today's quakeproof buildings, a new study says.
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In the Brazilian Amazon rain forest, a nongovernmental organization is using satellites to uncover deforestation the Brazilian government doesn't find.
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A major earthquake rocked southwestern Pakistan Wednesday. Hundreds of mud and timber houses were destroyed.
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In U.S. TV ads, oilman T. Boone Pickens touts energy independence via wind and natural gas. Critics say his plan is expensive, is inefficient, and may keep the country in thrall to foreign fuels.
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Animals and insects living far inland from some coasts may benefit from an uptick in climate-driven hurricane intensity, a new study suggests.
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The auction in Namibia sold tons of tusks to Asian bidders Tuesday, raising money for elephant conservation. Some conservationists worry such sales will encourage poachers.
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A Chihuahua struts during a Halloween dog show, a vendor strings marigolds for a Hindu festival, and more in our weekly update of culture photos.
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In far eastern Russia some moths have acquired a taste for blood.
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Rebel forces have seized Virunga National Park's headquarters, crushing efforts to rebuild the park and further threatening its population of rare mountain gorillas.
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Costa Rica's Cocos Island National Park, nicknamed "Shark Island," has what might be the highest concentration of sharks anywhere. But even here, sharks are vulnerable.
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Cow's emissions of methane, a greenhouse gas, can be reduced with a more natural diet, farmers are learning. Methane is a powerful contributor to global warming.
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