Humans must make “deep, rapid, and sustained” cuts to greenhouse gas emissions to avoid the worst effects of climate change, according to the United Nations’ Intergovernmental Panel on Climate Change (IPCC). The IPCC’s March 20 assessment warns that the 2020s will be perhaps the last chance to keep the global rise in temperature within 1.5° … Continue reading IPCC warns of ‘last chance’ to limit climate change via drastic emissions cuts