Albert A. Bartlett is Professor Emeritus in Nuclear Physics at Colorado University at Boulder. He has been a member of the faculty of the University of Colorado since 1950. He was President of the American Association of Physics Teachers in 1978 and in 1981 he received their Robert A. Millikan Award for his outstanding scholarly contributions to physics education.
Dr. Bartlett has given his celebrated lecture, Arithmetic, Population and Energy over 1,600 times. His collected writings have been published in the book, "The Essential Exponential! For the Future of Our Planet".
Professor Emeritus Al Bartlett - Physics at Colorado University - articles on exponential growth, peak oil and population growth, sustainability, renewable resources and the environment
Arithmetic, Population & Energy
Arithmetic, Population & Energy (Environmental Damage, Energy Crisis)
GUBA - Arithmetic, Population & Energy
( Youtube backup:
The Most IMPORTANT Video You'll Ever See (part 1 of 8))
Here are some interesting interviews:
http://www.albartlett.org/interviews/bartlett_interviews.html
I found this one to be specifically interesting:
http://www.electricpolitics.com/podcast/2007/12/who_knew.html