the consensus among scientists and policy-makers is that we’ll pass this point of no return if the global mean temperature rises by more than two degrees celsius.
the consensus among scientists and policy-makers is that we’ll pass this point of no return if the global mean temperature rises by more than two degrees celsius.
scientific consensus on climate change:507
since the start of the 20th century, the global mean surface temperature of the earth has increased by more than 0.7°c and the rate of warming has been largest in the last 30 years.