‘Worrisome’ policy decisions could undermine UK leadership and the talks themselves, say senior climate experts. Jeffrey Sachs comments.

If we are successful in modernizing our economy and greening our infrastructure, and if we do this in a way that expands opportunity, then New York City should seamlessly regain its symbolic and actual place in our economy and in our consciousness. Steve Cohen writes.

The former chief investment officer of Japan's GPIF sidestepped public bemusement and criticism at home, as he sought to turn the GPIF into a fund that tried to “change the world” through its approach to environmental, social and governance investing. Takatoshi Ito comments.

As the president’s April 22 climate summit draws near, David Sandalow and Kevin Karl outline how the federal action plan could focus on emissions reductions in the food system.