New study calculates climate change's economic bite will hit about $38 trillion a year by 2049ByAP NewsSeth Borenstein, AP Science WriterSeth Borenstein, AP Science Writer
In a first, delegates at UN climate talks agree to transition away from planet-warming fossil fuelsByMeg Kinnard, Associated PressAP NewsSeth Borenstein, David Keyton, Jamey Keaten And Sibi Arasu, Associated PressSeth Borenstein, David Keyton, Jamey Keaten And Sibi Arasu, Associated PressSeth Borenstein, AP Science Writer
US joins in other nations in swearing off coal power to clean the climateByAP NewsSeth Borenstein, AP Science WriterSeth Borenstein, AP Science Writer
Top warming talks official hopes for 'course correction' and praises small steps in climate effortsByAP NewsSeth Borenstein, AP Science WriterSeth Borenstein, AP Science Writer
Tens of thousands march to kick off climate summit, demanding end to warming-causing fossil fuelsByAP NewsSeth Borenstein, AP Science WriterSeth Borenstein, AP Science Writer