No, it doesn't say that. The best climate science predicts a rise of 3 degrees Celsius or so, which has the potential to substantially disrupt some vulnerable s

No, it doesn't say that. The best climate science predicts a rise of 3 degrees Celsius or so, which has the potential to substantially disrupt some vulnerable societies and act as a significant drag on economic growth. It would not render large portions of the world uninhabitable, though.