The world’s climate goals are not sufficient. They are also unlikely to be met
We seem to be tracking for 4C of warming.<p>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.<p>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.<p>At what point do you look at preppers and think "honestly they might be on to something?"<p>(edit: additions below)
Sources abound but <a href="https://www.theguardian.com/environment/2019/may/18/climate-crisis-heat-is-on-global-heating-four-degrees-2100-change-way-we-live" rel="nofollow">https://www.theguardian.com/environment/2019/may/18/climate-...</a><p>"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.<p>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.” "<p>"Since 2005, total global greenhouse-gas emissions have most closely tracked the RCP 8.5 scenario, "<p><a href="https://www.theatlantic.com/science/archive/2019/01/rcp-85-the-climate-change-disaster-scenario/579700/" rel="nofollow">https://www.theatlantic.com/science/archive/2019/01/rcp-85-t...</a>