9:39 am, January 15th, 2017 - 15 comments
When people say “the climate has changed before”, these are the kinds of changes they’re talking about.
10:45 pm, June 10th, 2014 - 67 comments
Without prompt, aggressive limits on CO2 emissions, the Earth will likely warm by an average of 4-5°c by the century’s end.
How big a change is that?