Changes

Mars' polar caps are melting.<ref>http://science.nasa.gov/headlines/y2003/07aug_southpole.htm</ref> Yet there is no proof of life on Mars.<ref>http://www.nasa.gov/home/hqnews/2005/feb/HQ_05052_mars_claim.html</ref> Therefore one can conclude that Mars' global warming is not caused by lifeforms. Global warming on Mars is caused by solar activity from the sun, which might hint at the cause of global warming on Earth.<ref>http://news.nationalgeographic.com/news/2007/02/070228-mars-warming.html</ref>

Mars' polar caps are melting.<ref>http://science.nasa.gov/headlines/y2003/07aug_southpole.htm</ref> Yet there is no proof of life on Mars.<ref>http://www.nasa.gov/home/hqnews/2005/feb/HQ_05052_mars_claim.html</ref> Therefore one can conclude that Mars' global warming is not caused by lifeforms. Global warming on Mars is caused by solar activity from the sun, which might hint at the cause of global warming on Earth.<ref>http://news.nationalgeographic.com/news/2007/02/070228-mars-warming.html</ref>

Al Gore is considered a leading expert on global warming because of his film. Some say that Gore backs the Kyoto treaties, although this was not the case in his earlier political career as Vice-President when he blocked the Kyoto treaties.<ref>http://www.dissidentvoice.org/July06/Frank18.htm</ref> Some argue that Al Gore does not follow his own advice.<ref>http://www.usatoday.com/news/opinion/editorials/2006-08-09-gore-green_x.htm</ref> Some argue that Al Gore is not qualified to talk on scientific issues because he lacks a science degree.<ref>http://www.washingtonpost.com/ac2/wp-dyn?pagename=article&contentId=A37397-2000Mar18</ref

Al Gore is considered a leading expert on global warming because of his film. Some say that Gore backs the Kyoto treaties, although this was not the case in his earlier political career as Vice-President when he blocked the Kyoto treaties.<ref>http://www.dissidentvoice.org/July06/Frank18.htm</ref> Some argue that Al Gore does not follow his own advice.<ref>http://www.usatoday.com/news/opinion/editorials/2006-08-09-gore-green_x.htm</ref> Some argue that Al Gore is not qualified to talk on scientific issues because he lacks a science degree.<ref>http://www.washingtonpost.com/ac2/wp-dyn?pagename=article&contentId=A37397-2000Mar18</ref>

Some would argue that Al Gore damages the credibility of global warming because of these things.

Some would argue that Al Gore damages the credibility of global warming because of these things.