Carbon dioxide could soon be transformed back into liquid fuel
December 28, 2015, 4:06 p.m. by Bryan Nelson
What if we could turn our fuel emissions back into fuel?
Michael Bloomberg gifts Sierra Club $30M to fund anti-coal efforts
April 8, 2015, 11:28 a.m. by Michael d'Estries
Billionaire philanthropist and former mayor says he's 'doubling down' on efforts to reduce carbon emissions and to replace half the nation's coal with clean energy by 2017.
Leaked U.N. report warns of 'irreversible' warming
August 27, 2014, 4:45 p.m. by Russell McLendon
The risk of 'severe, pervasive and irreversible impacts' is quickly rising worldwide, the draft report warns.