David Hawkins of NRDC reviews 6 decades of concern about Climate Change and talks about the challenges of the future. David served for 4 years during the Carter Administration as the Assistant Administrator of EPA for Air, Noise, and Radiation.

David's slides can be found at the following link:
http://www.epaalumni.org/userdata/files/library/1209_Six_Decades_of_Climate_Ch.pdf

His text that explains the slides in more detail can be found at the following link:
http://www.epaalumni.org/userdata/files/library/1209_Six_Decades_of_Climate_Ch.pdf