16 states ask Obama admin to put power plant rules on hold

The campaign to stop President Barack Obama's sweeping emissions limits on power plants began taking shape Wednesday, as 16 states asked the government to put the rules on hold while a Senate panel moved to block them.

W.Va. spill exposes a new risk to water from coal

The chemical spill that contaminated water for hundreds of thousands of West Virginians is just the latest and most high-profile case of coal polluting the nation's waters.

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