‘Frozen’ methane gas molecules, when melted, expand to 164 times their frozen volume with 72 times more potency than CO2

March 22nd, 2010

Methane gas molecules locked in cages of water ice are in such a concentrated form that when ice melts they expand to 164 times their frozen volume and are 72 times more potent than carbon dioxide as a GHG.

Source: IMPACTS: On the threshold of abrupt climate change – e! Science News

Date: 18 September 2008