Credit: Wolfgang Kaehler/LightRocket via Getty Images Arctic sea ice is limping toward ... NSIDC This departure from average is about the size of the states of Texas, Arizona and Kansas combined.

That means since satellites began tracking it, Arctic sea ice's winter peak has shrunk by an area about the size of Pakistan. When winter sea ice is doing well it can extend more than halfway down the ...

Arctic permafrost isn’t thawing gradually ... It covers an area more than twice the size of the United States, inhabited by half as many people as New York City, in some of the world’s ...