more than 100 per cent of the warming over the past century is due to human actions
more than 100 per cent of the warming over the past century is due to human actions
scientific consensus on climate change:77
human activities, primarily the burning of fossil fuels (coal, oil, and natural gas), and secondarily the clearing of land, have increased the concentration of carbon dioxide, methane, and other heat-trapping ("greenhouse") gases in the atmosphere...there is international scientific consensus that most of the warming observed over the last 50 years is attributable to human activities.