And even then his logic is internally flawed. The earth will most certainly survive whatever it is that we do to it, up to and including detonating our entire nuclear stockpile, never mind a bit of anthropocentric global warming. But the species that live on the earth... well, that's not so much a done deal. Just go ask your friendly neighbourhood tyrannosaurus.
Yes, the earth will survive, life will survive (plants will likely have a heyday, as will fish), but human survival is not guarunteed, nor could we expect anything like our current standard of living if the earth goes super-tropical.
"Arise, arise Riders of Théoden! Fell deeds awake: fire and slaughter! Spear shall be shaken, shield be splintered, a sword-day, a red day, ere the sun rises! Ride now, ride now! Ride for ruin… and the world’s ending!" -Tolkien