In 2010, Cameron challenged [[global warming]] "deniers" to a public debate, but canceled at the last minute.<ref>http://newsbusters.org/blogs/noel-sheppard/2010/08/23/filmmaker-james-cameron-backs-out-global-warming-debate-he-organized</ref><ref>http://www.washingtontimes.com/news/2010/aug/26/cold-feet-on-global-warming/</ref> | In 2010, Cameron challenged [[global warming]] "deniers" to a public debate, but canceled at the last minute.<ref>http://newsbusters.org/blogs/noel-sheppard/2010/08/23/filmmaker-james-cameron-backs-out-global-warming-debate-he-organized</ref><ref>http://www.washingtontimes.com/news/2010/aug/26/cold-feet-on-global-warming/</ref> |