climate scientists have predicted global temperatures would increase more than one degree celsius by 2020," but observed temperatures have been only half as high.
climate scientists have predicted global temperatures would increase more than one degree celsius by 2020," but observed temperatures have been only half as high.
global warming:67
the 10th emissions gap report issued by the united nations environment programme (unep) predicts that if emissions continue to increase at the same rate as they have in 2010–2020, global temperatures would rise by as much as 4° by 2100.