COP27: Is this the most important meeting in human history?

Is the COP27 summit that kicks off in Sharm El Sheikh this weekend the most important COP meeting yet, and therefore one of the most critical gatherings in the entire history of humanity? In some ways this is an absurd contention. The Paris summit in 2015 was a genuine turning point in the world's response to the climate crisis that will define the century one way or another, and as such it should be remembered by historians as an event of global import. You can make a compelling case that last year's COP26 Glasgow summit was similarly critical, given it finalised the rules of the Paris ...