For the most part, the earth is heating up just in the way that climate change models from a decade ago had predicted if we went on spewing 35 billion tons of carbon pollution into the atmosphere every year. And we have. The frightening thing is that unfolding climate events are sometimes worse than the models had suggested because of factors of which the models did not take account.

Source: Climate Change is now throwing at us Every Weapon in its Arsenal, from Heat Domes to Massive Wildfires, to Mega-Hurricanes