I struggle to give gaslands any serious cred after reading these.
http://www.energyindepth.org/2010/06/debunking-gasland/
http://www.noteviljustwrong.com/General/gasland-director-tries-to-ban-journalism.html
http://vimeo.com/24628804
http://cogcc.state.co.us/library/GASLAND%20DOC.pdf