We have been in many last chance saloons with climate change, but there are now reasons to believe we might finally go out and take action, writes Graham Lawton

By Graham Lawton
Clemens Bilan/EPA-EFE/Shutterstock
ONE temptation that is hard to resist when writing about the environment is the narrative of the last chance saloon the cliché that the next summit or election is the final opportunity to avert climate or biodiversity crisis, and if it is lost, all is lost.
I have written a few dispatches from the saloon and understand its appeal. The analogy is urgent and motivational, while the alternative is to point out that there is, in fact, another saloon over the horizon and that failure isn’t terminal. The problem is, if you overuse an analogy, it loses its …