"Nobody" cared, yet the Vice President on the US was picked partly because of his strong credentials on the issue. Gore published "Earth in Balance" exactly 20 years ago, and even then it contained nothing new or controversial outside the Fox News bubble.

Nobody cares enough about climate change even now to actually do anything serious about it. Even in countries where both sides of politics pay lip service to agreeing for the need for radical changes they haven't been happening. And in others we still have entire political parties arguing against even minimal adjustments to our economies. We're basically hanging all our hopes on some sort of technological miracle.