Science Dec 14

Watch 2:36
Paris summit ends with major climate blueprint

Delegates from 195 countries celebrated a landmark climate deal in Paris -- a moment of success after years of failure. The agreement lays out a number of goals and timelines, including keeping the global temperature rise well below 3.6 degrees…

Politics Dec 13

Obama optimism on climate pact tempered by GOP opposition

President Barack Obama and Secretary of State John Kerry hailed the newly passed international climate change agreement as a major achievement that could help turn the tide on global warming, but the immediate reaction of leading Republican critics was a…