Higher wetland methane emissions caused by climate warming 40,000 years ago
Thursday, June 24, 2010 - 14:31
in Earth & Climate
40,000 years ago rapid warming led to an increase in methane concentration. The culprit for this increase has now been identified. Mainly wetlands in high northern latitudes caused the methane increase. This result refutes an alternative theory dis-cussed amongst experts, the so-called "clathrate gun hypothesis."