The scientific evidence is clear: global climate change caused by human activities is occurring now, and it is a growing threat to society. (aaas.org)
Given our identification of policy - relevant tipping elements in the climate system, how do we decide which pose the greatest threat to society and, therefore, need the greatest attention? (pnas.org)
Climate change is real, caused by humans burning fossil fuels, and potentially a serious threat to society. (standard.net)