The global warming related pages on wikipedia are one of the most contentious pages on wikipedia. http://www.livescience.com/51926-are-wikipedia-science-pages

The global warming related pages on wikipedia are one of the most contentious pages on wikipedia. http://www.livescience.com/51926-are-wikipedia-science-pages-trustworthy.html http://www.livescience.com/51926-are-wikipedia-science-pages... So in this case, wikipedia is not a good source unless one happened to edit it last, and investigates the source data.