the most notorious was 252 million years ago; it began when carbon warmed the planet by five degrees, accelerated when that warming triggered the release of methane in the arctic, and ended with 97 percent of all life on earth dead.”
the most notorious was 252 million years ago; it began when carbon warmed the planet by five degrees, accelerated when that warming triggered the release of methane in the arctic, and ended with 97 percent of all life on earth dead.”
permafrost:120
permafrost
global warming accelerates its release due to release of methane from both existing stores and methanogenesis in rotting biomass.