Boaters pass through a channel as the sun set behind wind mills and an oil refinery, Tuesday, Jan. 14, 2014, in Corpus Christi, Texas. (AP Photo/Eric Gay)
Climate Change

‘Alarm Bells Ringing’: Global CO2 Levels Highest In 3 Million Years

Ahead of UN climate talks, a report warns of “severe ecological and economic disruptions” without more drastic moves to cut emissions.