Month: June 2016

Illustration of permafrost releasing carbon dioxide

In thawing Arctic permafrost soils, carbon dioxide is produced by microbes in dry conditions, while both methane and carbon dioxide...
Bogus Fire in the Yukon Delta National Wildlife Refuge in Alaska. Matt Snyder/Associated Press

In this June 2015 photo, smoke rises from the Bogus Creek Fire, one of two fires then burning in the...