Organizing a significant, global legal agreement at the U.N. Climate Summit in Paris in late 2015 will not be easy. Every country has its own priorities; for some, imposing constraints on economic growth by limiting greenhouse gas emissions is a political nonstarter. For others, moving toward renewable energy sources and limiting certain environmental risks — such as smog or rising sea levels  — are top priorities. The 2014 U.N. Climate Summit in Lima, Peru, has helped to maintain some momentum for a climate agreement ahead of the Paris meeting, but if any deal is reached, it will be watered down and will lack concrete enforcement measures. Analysis The countries that participated in the 2011 U.N. Climate Summit in Durban, South Africa, signed a pact to work toward a legal agreement that would be signed at […]