Opponents of the Keystone XL oil pipeline from Canada are asking a judge to force the U.S. government to turn over emails and other documents related to President Donald Trump's approval of the project.

The growth of bitcoin is fueling speculation and debate about the environmental impact of the massive amount of energy needed to power the vir…

The day after the State of the Union, 350.org will launch Fossil Free U.S. in an immediate rebuke of the Trump administration’s assault on climate and communities with a clear call to action and roadmap for resistance.

The Trump administration’s five-year plan for offshore oil and gas leases would make nearly all offshore waters open to drilling interests.

President Donald Trump’s move to shrink two large national monuments in Utah triggered another round of outrage among Native American leaders who vowed to take the fight to court to preserve protections for land they consider sacred.

Today’s decision complicates TransCanada’s plans for the Keystone XL pipeline. Nebraska did issue a permit, but it wasn't the one that TransCanada wanted.

TransCanada’s existing Keystone 1 pipeline spilled a reported 210,000 gallons of oil in an agricultural area of Marshall County, South Dakota.

A massive U.S. report concludes the evidence of global warming is stronger than ever, contradicting a favorite talking point of top Trump administration officials.