“so now we’re able to explain from natural factors how we’ve had the 20th century warming.
“so now we’re able to explain from natural factors how we’ve had the 20th century warming.
20th century:6
the average global temperature on earth has increased by about 0.8° celsius (1.4° fahrenheit) since 1880; two-thirds of the warming has occurred since 1975, at a rate of roughly 0.15-0.20 °c per decade.