New York Times: The current issue of Science features a short, but forceful editorial by the journals editor in chief, the geophysicist Marcia K. McNutt, calling for humanity, after decades of delay, to get serious about cutting greenhouse-gas emissions linked to global warming. The time for debate has ended, she writes. Action is urgently needed. McNutt (who was just elected the next president of the National Academy of Sciences) points to studies showing that nations emissions-cutting pledges made ahead...