Supreme Court decision is a setback to one of the biggest environmental actions of the Obama administration.
After years of confusion over which waters are protected by the EPA, Waters of the US rule is updated.
Candidate for Democratic nomination tells Republican presidential hopefuls to heed scientists on global warming.
Bill would allow recreation businesses to operate on federal land without paying staff $10.10 an hour.
Republicans say new rule would give the federal government too much authority over waterways and wetlands.
District judge rules ESA has no say over species that don't have multi-state presence or economic impact.
The controversial Clean Water Act rule protects tributaries with any sign of water, no matter the flow.
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