Whether or not humans are the cause of changes in the climate is something of which I have no knowledge. What I know, though, is that planets die all the time and there ain't nothing some ditz from NYC can do about it. Whether we get hit by an asteroid or the planet just implodes, it's gonna happen and we won't be able to stop it, slow it, speed it or do anything else to affect it. The idea that we have to revert to the stone age (but without the cows and, instead, eat stuff grown in a petri dish) to save the planet is the work of snake oil peddlers.
