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Gulf oil spill still out to sea, but odor has reached shore
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Mexico: "They're killing us anyway"
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BP's dispersant strategy raises questions
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Duke Energy, Cherokees in dispute over sacred grounds
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Digging up chemical weapons in D.C.
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Since spill, feds have given 27 waivers to oil companies in gulf
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US facing 'grievous harm' from chemicals in air, food, water, panel says
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Gulf wildlife 'dead zone' keeps growing
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Rig survivors felt coerced to sign waivers
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Shell to court: We're ready to drill Arctic Ocean
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Climate change deniers accused of McCarthyism
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Poll - one in five will drive less after Gulf oil spill
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Coal ash can be called hazardous waste
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Future temperatures could exceed livable limits, researchers find
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Deepwater Horizon oil spill: Turtle deaths soar amid fight to save wildlife
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US farmers cope with Roundup-resistant weeds
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Fears for crops: Bee catastrophe
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Lawsuits take aim at America's first offshore wind farm
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Halliburton in spotlight in gulf spill probe
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CA pesticide regulators ready to OK controversial fumigant
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Deepwater Horizon: Conservationists warn of 'true catastrophe' for wildlife
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Whistleblower: BP risks more catastrophes in Gulf
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Halted construction filling US waterways with silt
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Chemicals meant to break up BP oil spill present new environmental concerns
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BP's containment problem is unprecedented
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Most Americans still live in unclean air
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International failure to meet target to reduce biodiversity decline
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Melting sea ice major cause of Arctic warming, study says
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EPA staffers forced to ignore science, investigation finds
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GM crops go to US high court, environmental laws on the line
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Cape Cod project is crucial step for US wind industry
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Protesters form 75 mile human chain against German nuclear energy
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Deepwater Horizon oil rig sinks, sparking pollution fears
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The problem with factory farms
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Ocean chemistry changing at 'unprecedented rate'
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Congressman seeks ban on controversial herbicide
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Awarding of Brazilian dam contract prompts warning of bloodshed
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'Toxic stew' of chemicals causing male fish to carry eggs in testes
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Live Earth 'greenwashes' Dow Chemical Co.
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Warnings about Lejeune's tainted water unheeded for years