10/6/2010 3:11 PM ET
Shocking British short to promote cutting carbon emissions shows skeptics being blown up for not participating.
5/20/2009 3:03 PM ET
CEO of parent company of NBC Universal argues for carbon price to create 'certainty.'
3/26/2009 10:21 AM ET
Actor and 'official ambassador for Earth Hour' compares turning out lights for hour to Civil Rights event marked by brutal attacks on its participants.
2/21/2008 1:15 PM ET
NBC morning hosts and crew 'vacation' in Vermont and Florida, forgetting previous calls for 'green' living.