the total area burned in the western united states over the past 33 years was double the size it would have been without any human-caused warming.
the total area burned in the western united states over the past 33 years was double the size it would have been without any human-caused warming.
effects of global warming:327
after about a thousand years, 20% to 30% of human-emitted co 2 will remain in the atmosphere, not taken up by the ocean or the land, committing the climate to warming long after emissions have stopped.