In countries with effective systems for managing waste, consumer products that go down drains and runoff from roads are causing more pollution than larger plastics.
New aerial footage shows that the Larsen C ice shelf rift continues to expand, raising the odds of a calving event.
A 10-year study shows far more spills than had previously been reported, about half occurring when moving and storing fluids in pipelines.
About 100 different kinds of microorganisms, most of them bacteria, have been found locked in crystals for periods ranging from 10,000 to 60,000 years.
Archivists and environmentalists have been gathering to collect and safeguard scientific research from government databases, with another meeting set to follow Scott Pruitt's confirmation as EPA chief.
The lentil-sized pellets, which are highly toxic to wildlife, have swarmed nearly three quarters of Britain's coastline, with more than 100,000 of them washing up on one messy stretch.
The MacArthur Foundation's 100&Change contest is offering a nine-figure grant for a plan to solve a major world problem.
Researchers previously pinpointed continental winds as the force pushing warm ocean waters underneath West Antarctica's Pine Island Glacier, but now they say local weather patterns are to blame.
Scientists argue that the geologic entity, which is mostly submerged beneath the South Pacific, should be recognized as the world's eighth continent.
Al Gore and the American Public Health Association revived a conference that was canceled by the US Centers for Disease Control and Prevention following the election of President Trump.