1. Yet expectations for the summit meeting on Tuesday are low, with no sign of any political breakthrough that would lead to more ambitious efforts. Scientists say emissions must peak within the next few years, and then begin to decline, if the world is to have any hope of keeping global warming to an upper limit that countries agreed on five years ago. So far, no plans are in place that would come close to achieving that.
4. But a quick look at the changing skyline betrays a frustrating reality: Those shiny new towers have failed to deliver the type of housing most New Yorkers can afford. “There is a disconnect between what we’re building and what we need to build,” said Jonathan J. Miller, the president of the appraisal firm Miller Samuel. “2015 is going to be more of that.”