6/9/2008 4:20 PM ET
Stanford professor says carbon dioxide and methane 'we've added' are making it hotter; climatologist refutes that assertion.
6/3/2008 4:28 PM ET
California senator claims expensive legislation needed to avert war caused by global warming.
4/21/2008 4:35 PM ET
Columnist tells MSNBC's Joe Scarborough gas tax holiday is a bad idea because it 'abandons environmental consciousness.'
3/26/2008 2:40 PM ET
Environmental Defense Fund director says carbon cap inevitable based on the three remaining presidential choices.
3/14/2008 9:26 AM ET
'Nightly News' praises carbon-free solar energy plant, and says government regulation needed to make it more affordable.
3/5/2008 1:53 PM ET
All three frontrunners have declared support for energy legislation that would cost consumers and businesses lots of money.
3/5/2008 1:23 PM ET
All three frontrunners have declared support for mandatory emissions reductions - which would cost consumers and businesses lots of money.
1/22/2008 3:09 PM ET
NBC morning hosts carpool for one day to save the Earth, complaining the whole way that carpooling is lame and sarcastically comparing it to living in a tree.
12/6/2007 7:21 PM ET
Compiled by the Business and Media Institute
10/25/2007 4:49 PM ET
Stanford Professor Ken Caldeira assigns price tag 'for carbon capture and storage costs in ideal locations.'