[at the UN Climate Change Conference, 2018] The collapse of our civilizations and the extinction of much of the natural world is on the horizon.

Trivia:

While filming "The Living Planet", he saw his balloon crash land in southern Scotland. When he finally found a farmhouse, the farmer recognized him from the TV, and said he could he use the phone if he wished his wee daughter a happy birthday. When he returned with his young girl he said to her: "This is David. He's come by balloon to wish you a happy birthday." Attenborough said "Happy birthday....