The world’s climate goals are not sufficient. They are also unlikely to be met
We seem to be tracking for 4C of warming.4C of warming would probably cause a collapse in the ability to feed the populace, and render large chunks of the world uninhabitable without active cooling, or because they'll be underwater.It's hard to imagine how civilization survives this, without those regions that do continue to have arable land putting up walls and turrets and mowing down the streams of starving migrants.At what point do you look at preppers and think "honestly they might be on to something?"(edit: additions below)
Sources abound but https://www.theguardian.com/environment/2019/may/18/climate-..."Indeed, the consequences of a 4C warmer world are so terrifying that most scientists would rather not contemplate them, let alone work out a survival strategy.Rockström doesn’t like our chances. “It’s difficult to see how we could accommodate a billion people or even half of that,” he says. “There will be a rich minority of people who survive with modern lifestyles, no doubt, but it will be a turbulent, conflict-ridden world.” ""Since 2005, total global greenhouse-gas emissions have most closely tracked the RCP 8.5 scenario, "https://www.theatlantic.com/science/archive/2019/01/rcp-85-t...