Topic: National Snow and Ice Data Center

Arctic sea ice fights losing winter battle (again)

Climate may heat crises, too, military analysts say

Competition for resources, ‘climate migrants,’ failed states are among top concerns.

Shrinking Arctic Ocean sea ice signals climate change

Global warming may have accelerated the irreversible loss of ice shelves that are thousands of years old, say scientists.

North pole ice cap now an island

For the first time in recorded human history, the Arctic is completely surrounded by open water, new satellite images reveal.

Polar bears spotted swimming in open seas

Government scientists patrolling the skies off Alaska's northwest coast say they observed nine polar bears swimming in open water, prompting some environmentalists to raise concerns about the species' survival in a warming world.

Arctic sea ice melting faster than expected

If the pattern continues, warming effects could reach up to 900 miles inland, melting permafrost

Antarctica's Wilkins Ice Shelf eroding at an unforeseen pace

Scientists say the breakup is a harbinger of what's to come if the region continues warming.