Here's the inconvenient truth about the Keystone XL: TransCanada does not need the pipeline's northern leg to begin pumping hundreds of thousands of barrels of toxic tar sands daily through America's breadbasket for export overseas.
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.
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.