What It Means When Scientists Say They’re Certain: Green Insight

摘要

Sign up to receive the Green Daily newsletter in your inbox.Scientists just made history by declaring, definitively and in unison, that climate change is caused by people. “It is unequivocal that human influence has warmed the atmosphere, ocean,and land,” they wrote in the first comprehensive report from the United Nations Intergovernmental Panel on Climate Change in nearly a decade.And yet the reaction from many people was: Wait, didn’t we already know that?