Killing off humans is the only concern I was talking about. Obviously other things are predicted to happen, and may be worth preventing, depending on the cost.

Killing off humans is the only concern I was talking about. Obviously other things are predicted to happen, and may be worth preventing, depending on the cost. > the total cost of global warming will be as high as 3.6 percent of gross domestic product This is what I mean by tame. That cost is equivalent to just a couple of years of paused economic growth. It means living in the year 2100 will feel like 2095 or so in terms of GDP. That's not a very serious problem.