“In just 100 months’ time, if we are lucky, and based on a quite conservative estimate, we could reach a tipping point for the beginnings of runaway climate change. … In climate change, a number of feedback loops amplify warming through physical processes that are either triggered by the initial warming itself, or the increase in greenhouse gases”
That article was published in August 2008.
So we have 98 months left.
Check out: http://onehundredmonths.org/