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Monarch butterflies making trek north in lowest numbers in decades
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Searching for water under the sands of Saudi Arabia
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60 NGOs say Canadian government 'hiding truth about climate change'
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Most power plants still spewing toxic mercury, report says
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UN Agency: Tiger on verge of extinction
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S. Dakota legislature passes bill calling global warming a hoax
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IMF suggests how to raise climate change funds
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Iowa community sues atrazine maker for contaminated water
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SC Environment Dept. loosens arsenic limit for electric utility
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Region's sewer: Grand Cal faces long recuperation
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Humans driving extinction faster than species can evolve, say experts
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Growing low-oxygen zones in oceans worry scientists
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World's largest dead zone suffocating sea
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International Year of Biodiversity
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Bolivia calls for earth rights
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Gowanus Canal in Brooklyn gets Superfund status
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Ecuador: Chevron, plaintiffs seek gains as verdict nears
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Exxon ruling draws protests
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States push EPA, Congress to curb confidentiality rules for toxic substances
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Tap water contaminant 'castrates' frogs
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Ruling restricts Clean Water Act, foiling EPA
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Senators to propose abandoning cap-and-trade
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Giant iceberg breaks off from Antarctic glacier
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Environmentalists question coal's place in Obama policy
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India - Indigenous groups step up protests over mining project
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France abandons plans for carbon tax
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Asia-produced ozone making its way to US, study finds
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Kyoto risks dying, no new climate deal in sight
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Top firms cause $2.2 trillion of environmental damage
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Environmental advocates are cooling on Obama
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Climate change affecting Kenya's coffee output
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Canada looks to China to exploit oil sands rejected by US
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Report: El Nino fueled record global warmth in January
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Canada's 'crown jewel wilderness' saved from development
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World warming unhindered by cold spells: Scientists
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Green light for show homes to sell eco-town project
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Controversial GM rice gets green lights in China
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In a California town, birth defects, deaths, and questions
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Earth, wind and wire: Going beyond solar panels
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Centralia, Pa. - How an underground coal fire erased a town