Copyright (c) 2008 NewsTrust en-us Tue, 24 Nov 2009 22:48:23 -0800 http://newstrust.net/images/logos/newstrust-logo_20px.gif http://newstrust.net/topics/global_warming/top_rated/opinion?timespan=7 http://newstrust.net/topics/global_warming/top_rated/opinion?timespan=7 NewsTrust helps people find good journalism online. We rate the news based on quality, not just popularity. Our social news network features top-rated stories from hundreds of mainstream and independent sources. Find out more at http://newstrust.net/