Both are interesting and sensible discussions.
The first video is part of a 4 part video. One can watch the rest.
http://www.youtube.com/watch?v=FOLkze-9GcI&eurl=http://fipher.blogspot.com/2007/12/global-warming-or-global-fraud.html
http://www.youtube.com/watch?v=S9ob9WdbXx0&feature=related
