A landmark report from the United Nations’ Intergovernmental Panel on Climate Change from global scientists says the window is rapidly closing to avoid catastrophic changes that would transform life as we know it. The report concludes it is “unequivocal” that humans have caused the climate crisis and confirms that “widespread and rapid changes” have already occurred, some of them irreversibly. CNN’s Becky Anderson has more as wildfires rage in California and parts of Europe.
