Large methane release could cause abrupt climate change as happened 635 million years ago
Wednesday, May 28, 2008 - 12:49
in Earth & Climate
An abrupt release of methane, a powerful greenhouse gas, about 635 million years ago from ice sheets that then extended to Earth`s low latitudes caused a dramatic shift in climate, triggering a series of events that resulted in global warming and effectively ended the last “snowball” ice age, a UC Riverside-led study reports.