The world's best effort to curb global warming probably won't prevent catastrophe

The promises that various countries have made to curb greenhouse emissions still won’t be enough to stop dangerous levels of global warming, according to a new report from the United Nations Environment Program. Even under the terms of the Paris climate agreement, we’re probably going to see temperatures rise by about 5.4 degrees Fahrenheit by 2030. Our best efforts don’t seem to be outpacing how fast our carbon levels are expected to grow; UNEP head Erik Solheim warned that dr