'Tug of war' between shrinking ozone hole and climate change
The notorious Antarctic "ozone hole" sparked worldwide concern after its discovery in the 1980s, and for good reason — declining ozone allows harmful ultraviolet radiation to reach the Earth's surface, a major threat to public health.
Glacier over world's deepest canyon faces irreversible melt
Scientists have identified another Antarctic glacier that could be more vulnerable to climate change than previously suspected.
Widening pandemic shuts down climate expeditions
Research missions to study climate change are being canceled worldwide. The disruptions could delay or compromise scientists' efforts to track global impacts like rapid warming in the Arctic.
Disasters worsened by warming in last 10 years — study
Small levels of global warming can increase the likelihood of extreme events, new research warns. That's prompting scientists to question how accurately disasters in the recent past can be used to predict extreme events today.
Scientists: Pack the tundra with animals to slow melting
Enormous herds of animals roamed the Arctic tundra thousands of years ago. Just a fraction remain today, but some scientists say they should be brought back to help fight climate change.