Greenland's Petermann Glacier is poised to lose a Manhattan-sized chunk, and the Nares Strait was ice-free all year for the first time, according to Greenpeace. Jorge Ribas reports.
Massive super-herds of walrus are being forced onto dry land because of a lack of sea ice, the World Wildlife Fund reports. New video shows an estimated 10,000 animals gathered in Point Lay, Alaska.
Female polar bears and their cubs are swimming increasingly longer distances causing higher mortality rates for the young bears, a new study finds. Martin Berman reports.
As sea ice decreases in both coverage, thickness and age, polar bears could have fewer cubs, according to new research. Jorge Ribas reports on the findings from the Arctic.
Another eruption of this active volcano isn't the only pending disaster facing Washington's Mt. Rainier. Climate-related disasters are springing up on this mountain, resulting in long-lasting effects downstream.
Core samples from Antarctica tell a fascinating story about how the Earth's climate has changed over thousands of years. Discovery News' James Williams digs into the details.
40 Million people rely on the Andean glaciers for water, power, and the livelihood. Like all glaciers, they are melting away. What will happen to the people in the region? What will happen to our planet?
The cryosphere consists of those parts of the Earth's surface where water is found in solid form -- snow, sea ice, glaciers, permafrost, ice sheets, and icebergs. Take a tour of the cryosphere.
Stephen Schneider, PhD. and author of "Science Is A Contact Sport" at the Copenhagen Climate summit discussing his thoughts on the progress of the summit so far.
Eve Mosher is taking her message to the streets. She's chalking a line across New York City that shows where flooding could reach if a really big storm hits.