We are in a Climate Emergency
Climate tipping points — too risky to bet against
The growing threat of abrupt and irreversible climate changes must compel political and economic action on emissions.

"In our view, the consideration of tipping points helps to define that we are in a climate emergency and strengthens this year’s chorus of calls for urgent climate action — from schoolchildren to scientists, cities and countries."
Timothy M. Lenton, Johan Rockström, Owen Gaffney, Stefan Rahmstorf, Katherine Richardson, Will Steffen & Hans Joachim Schellnhuber
https://www.nature.com/articles/d41586-019-03595-0
See the whole article here.