It's an important moment for Americans who eat fish or use electricity. After more than two decades of delays, the U.S. Environmental Protection Agency is poised to issue a new regulation restricting some power plant emissions that have polluted the nation's air and water.

Failure to learn from the mistakes of the past will result in new and expanded uranium mining in the Grand Canyon, likely with devastating impacts on this beloved national treasure, millions of visitors and nearby residents.

Under gray overcast skies eight months after the BP blowout in the Gulf of Mexico, waves of crude oil roll into estuaries, bayous, and onto the desert...

At current rates, the Gulf Coast spill will likely overtake the 1989 Exxon Valdez disaster as the worst in U.S. history; independent experts are saying it could leak on the order of a million barrels per day.

The scramble for sixty Senate votes on a tight timeline in a steadily-warming world will require concessions to the politically powerful interests that have undue influence in the U.S. Senate.