Here's why we always talk about global temperature anomalies as opposed to actual global temperatures.
Last month’s heat affects more than Arctic sea ice.
Our chief meteorologist talks glacial melt on Good Morning America.
Greta Shum catches us up on all kinds of wintry news, including... Star Wars?
Climate Central's chief meteorologist talks climate change in Alaska with Weather Underground.
Learn how NASA scientists are tracking the melting Arctic sea ice and what less ice means for global warming in the future.
NASA scientist Ron Kwok details new technology he is using to monitor how extensively Arctic sea ice is melting from below, a key indicator of the ice's long-term stability.