Dr. Albert Bartlett: Arithmetic, Population and Energy
9th Grade Math is Used to Describe Infinite Growth in a Finite Environment

Read the transcript as you listen to the video segments:
Transcript, Part 1, Part 2, Part 3, Part 4, Part 5, Part 6, Part 7

If you have RealPlayer you can also access the video Here.
You can also download the Audio (mp3) Here.

This is a very interesting presentation by retired Professor of Physics from the University of Colorado in Boulder, Dr. Albert Bartlett.