Spring Sale: Get 1 Year, Save 58%

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AP Photo/Arnulfo Franco, FILE (AP)

Wyoming proposal would require utilities to use fossil fuels, fine for renewables

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New data on Wyo. frack site await interpretation

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A small fire flares in western Wyoming's Upper Green River Basin in this Jan. 22, 2010 photo. Ozone levels last week in this same region exceeded the worst days in major U.S. cities last year. Local residents complain of runny eyes, nosebleeds and shortness of breath and say the air is hazy.

Smog in Wyoming worsens due to natural gas drilling

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Environmentalists: Don’t overlook onshore drilling

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New law pits guns vs. grizzlies in national parks

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