He's just said about climate change ""if we don't take action, the collapse of our civilisations and the extinction of much of the natural world is on the horizon." He's not the only one saying this - it's now common currency amongst scientists, and indeed anyone paying attention.
www.theage.com.au/world/europe/civilisation-may-collapse-if-climate-change-ignored-attenborough-20181204-p50jzs.html?platform=hootsuite
There's no time left for pissing about. We've got to take radical action now. It isn't something that any of us can ignore.