Let’s check some of the claims about the pipeline as a bill approving it heads toward likely passage by the Republican-led Senate and a veto by President Barack Obama.
Conservative distrust of Pope Francis, which has been building in the U.S. throughout his pontificate, is reaching a boiling point over his plan to urge action on climate change.
Environmental advocates will lose an ally in Congress when Barbara Boxer leaves the Senate at the end of her term in 2016 after more than three decades in office.
Gov. Jay Inslee is announcing his proposals Wednesday for reducing carbon pollution and creating clean energy jobs in Washington.
Researchers estimate the more than 5 trillion pieces of plastic would fill over 38,500 garbage trucks.
As global warming causes Arctic ice to melt, the Coast Guard is working on creating new shipping lanes so vessels can safely travel through the now open waters.
Marine biologists are seeing higher-than-normal ocean temperatures that are causing near-shore bleaching across the islands.
The animals are unable to find enough sea ice, where they usually rest in the Arctic Ocean.
Animals and plants that depend on snow cover may be affected.
But since 1991, about 69 percent of the rapidly increasing melt was man-made, said Ben Marzeion, a climate scientist at the University of Innsbruck in Austria