The League of Conservation Voters gives Sen. McCain a zero rating on his 2007 congressional score card.  He missed every vote the environmental group identified as criticle last year, even scoring lower than members who died in the middle of the term.

So for getting the lowest score in congress here's to you McLame. 

http://blog.washingtonpost.com/the-trail/2008/02/22/group_ranks_mccain_last_on_env.html