discovery of massive volcanic co2 emissions discredits global warming theory.
discovery of massive volcanic co2 emissions discredits global warming theory.
permian–triassic extinction event:256
the resultant global warming may have caused perhaps the most severe anoxic event in the oceans' history: according to this theory, the oceans became so anoxic, anaerobic sulfur-reducing organisms dominated the chemistry of the oceans and caused massive emissions of toxic hydrogen sulfide.