It’s still possible for humanity to avoid the most catastrophic consequences of climate change, a group of the world’s top energy experts, economists and social scientists said Monday — but only if societies take immediate, drastic action to put the planet on a safer path.
The task described by the United Nations Intergovernmental Panel on Climate Change is daunting: The world must slash annual greenhouse gas emissions by almost half in the next eight years, and find a way to zero out carbon pollution by the middle of the century.