Add Yahoo as a preferred source to see more of our stories on Google. Testing water.(Photo/NARF) U.S. Senators Michael Bennet (D-Colo.), John Hickenlooper (D-Colo.), and Martin Heinrich (D-N.M.), ...

There is something deeply unsettling about turning on a faucet and getting nothing. Or worse, getting something brown, chemical-laced, or dangerously contaminated. For tens of millions of rural ...

About one-third of the Navajo Nation lacks access to clean drinking water, a reality that impacts every aspect of daily life.

WASHINGTON (AP) — The Environmental Protection Agency on Tuesday proposed limiting states’ and Native American tribes’ power to wield the Clean Water Act to block major projects like natural gas ...

It took almost a full year, perhaps unsurprising at a time when Congress is getting almost nothing accomplished despite a Republican trifecta, but Donald Trump has issued the first pair of ...