This factors in some feedback loops which most sudies to date have ignored. Note, that it excludes extra warming caused by all the additional water vapour in the air.

For context, studies suggest that the largest extinction event in Earth’s history (so far), the Late Permian Extinction Event, saw temperature rises of around 8°C.

  • DarkGamer
    24•1 year ago

    If this is true, we’re fucked.

    at a temperature increase of 4 degrees C:

    • Sea rise of ~9m, putting 470-760 million at risk
    • Frequent and severe extreme droughts
    • Mass extinctions, risk of ecosystem collapse
    • Food insecurity, regional de-development
    • Half of all animal species face local extinction