A new study suggests there is far more plastic in the Atlantic Ocean than scientists previously thought, especially very small pieces of plastic that can end up inside fish and other animals.
A pilot was killed after he crashed while battling a blaze in Fresno County. Officials say "a historic lightning siege" has caused more than 367 new fires throughout California.
The offshore wind industry is poised for massive growth. But the Trump administration has echoed concerns that turbines could hurt the fishing industry.
New research suggests that penguins' ancestors originated not in frozen Antarctica but, instead, off the coasts of Australia and New Zealand, adapting to new climes over 22 million years.
Environmental groups plan to sue to protect the breeding ground for caribou and polar bears. But if a drilling lease is sold, it could make it harder for a future president to reverse the move.
The Trump administration is pushing ahead with plans to allow drilling in Alaska's Arctic National Wildlife Refuge. The decision is a key moment in a decades-long environmental battle.