So there was no possible cause and effect between the Permian extinction event, and rising CO2 levels, from the methane that had erupted from the bottom of the sea?
http://www.sciencedaily.com/releases/2003/08/030828071722.htm
Orders of magnitude higher CO2 than what the “researchers” were discussing.
But Methane eruptions should not be ignored just because they are rare. They are extremely dangerous and should be looked into much more then the man made global warming hoax