Warming could exceed safe levels in this lifetime

http://www.newsdaily.com/stories/tre79m2l7-us-warming/

By Nina ChestneyPosted 2011/10/23 at 1:03 pm EDT

LONDON, Oct. 23, 2011 (Reuters) — Global temperature rise could exceed "safe" levels of two degrees Celsius in some parts of the world in many of our lifetimes if greenhouse gas emissions continue to increase, two research papers published in the journal Nature warned.