David Attenborough’s Dire Climate Warning: ‘Our Greatest Threat In Thousands Of Years’

David Attenborough, the famed naturalist and conservation advocate, issued a dire warning for the world during a speech at the United Nations’ annual climate summit on Monday: Act now, or the natural world, humanity included, may soon collapse.

“Right now we’re facing a man-made disaster of global scale, our greatest threat in thousands of years: climate change,” Attenborough, 92, said. “If we don’t take action, the collapse of our civilizations and the extinction of much of the natural world is on the horizon.”

The comments came at the beginning of a two-week climate conference in Katowice, Poland, where emissaries from nearly 200 nations are meeting to determine how the world can dramatically scale back greenhouse gas emissions to abide by the landmark Paris climate agreement and, by doing so, stave off the worst effects of climate change.

Read the entire article at Huffingtonpost.com