Livemint: All major world leaders agree that climate change is a massive threat. The problem is that they have not yet been able to hammer out a global deal to limit the damage.
Their ability to walk the talk will once again be tested in December, when representatives of 190 countries will assemble in Paris to chalk out a plan for collective action.
History is not on the side of optimism. The last time world leaders sat together to discuss climate change, in 2009 at Copenhagen, there was chaos, and the...