There’s nothing quite like a warmist who just can’t stop pontificating.
Here’s Mann’s tweet saying no serious scientist claims global warming will cause human extinction:
But here’s Thom Hartman’s October 1, 2013 interview of Mann in which Mann states:
Once again we are literally change the composition of the atmosphere and the climate at rates far greater than happened naturally in the past. And what that means is that we are subjecting living things to rates of change that they simply haven’t evolved to deal with. Rates of change that are well outside of what we might reasonably call the adaptive capacity of ecosystems, of species and of human beings… of human civilization.
Watch the video below… the clip starts at about the 2:50 mark.