XKCD is brilliant. You knew that, of course. Today's is brilliant and sobering.
xkcdGreenhouse Effect
@GraniteGeek 59 years next Thursday since a major government acknowledged that rising CO₂ levels affecting climate was one of the ecological problems humans faced. LBJ in a speech to Congress, 8th of February 1965.
These things take 60 years, right?
That's from @steve 's book Computing The Climate.
@edavies @GraniteGeek @steve and quite a bit more than half of all fossil CO2 ever released has been after that date