We must halve our energy use to avoid climate catastrophe: new modelling.
'New research shows that a transition to renewable energy alone is not fast enough to keep global temperatures below 2050 target levels.'
(University of N.S.W., Sydney) >

http://newsroom.unsw.edu.au/news/social-affairs/we-must-halve-our-energy-use-avoid-climate-catastrophe-new-modelling