Download Climate Change 101: State Action (January 2009) [1] (pdf)
UPDATE - May 2008:
Read the supplemental update to Climate Change 101: State Action [2] (pdf)
Links:
[1] http://www.pewclimate.org./docUploads/Climate101-State-Jan09_0.pdf
[2] http://www.pewclimate.org./docUploads/States Brief (May 2008).pdf
[3] http://www.pewclimate.org./global-warming-basics/climate_change_101