By Tom Zeller Jr.
In New York, delegates will gather at the United Nations for ‘‘Climate Week,’’ described as ‘‘a series of highlevel meetings and events focused on the most urgent issue of our time.’’ Up the road from the U.N. building, President Barack Obama is expected to address dignitaries, business leaders and representatives from nongovernment organizations for the fifth annual gathering of the Clinton Global Initiative, where issues of energy and climate change will surely loom large.
