You are
"told?" I heard a rumour that Aliens were going to invade in 2012 to take back all those Myan calendars, so don't worry about your rumour because mine is sexier.
(Sources please.

)
Ummm, I probably shouldn't pay out on doomers... because of my own signature and all.

But that's different, it's a scenario based on scientific and sociological extrapolation! It's more than superstition, really truly.
Anyway, getting back to climate science, Hansen says we are already in the danger zone and that feedbacks could propel us all the way up to 5 degrees warming.
We've got to get "Beyond Zero" as I so painstakingly spelt out before or our kids will be in a world of pain.