when all forcings are combined, they show good correlation to global temperature throughout the 20th century including the mid-century cooling period.
when all forcings are combined, they show good correlation to global temperature throughout the 20th century including the mid-century cooling period.
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.