claim: 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.”
evidences.evidence_id: Arctic:95
evidences.article: Arctic
evidences.evidence: The current Arctic warming is leading to ancient carbon being released from thawing permafrost, leading to methane and carbon dioxide production by micro-organisms.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: Earth:55
evidences.article: Earth
evidences.evidence: The last continental glaciation ended 10,000 years ago.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Eocene:134
evidences.article: Eocene
evidences.evidence: that the Eocene hothouse world was caused by runaway global warming from released methane clathrates deep in the oceans.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Permafrost:120
evidences.article: Permafrost
evidences.evidence: Global warming accelerates its release due to release of methane from both existing stores and methanogenesis in rotting biomass.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Tundra:38
evidences.article: Tundra
evidences.evidence: When the permafrost melts, it releases carbon in the form of carbon dioxide and methane, both of which are greenhouse gases.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO