The world has warmed by a staggering 0.8 to 0.9C (~1.5F) just since the year 1970. If emissions of greenhouse gases remain at today's levels, in another 15 years or so we will exceed 1.5C above preindustrial temperatures, and in a bit over 30 years we will exceed 2C. pic.twitter.com/v5mkTbKiJg

— Zeke Hausfather (@hausfath) May 10, 2019