Question

Computer models of Earth's climate project increases in the average temperature from 2°C to 6°C by the end of the century. Have these high temperatures ever occurred before in the past 400 000 years?

Answer 1

According to the graph the answer is No.

For temperatures above 6 C, you have to back about 50 million years.

Man has quickly turned things around.

Answer 2

thanks a lot:)