Yet time has nearly run out for limiting warming even to 2 °C. (newscientist.com)
It also just about reaches the 70 - 95 % range of emissions reduction by 2050 that would be consistent with limiting warming to 1.5 C. (carbonbrief.org)
Most climate models that limit warming below two degrees involve the use of unproven and expensive technologies that actively remove carbon dioxide from the atmosphere by the end of the century. (psmag.com)