Video parts 1 through 4 of Arithmetic, Population and Energy - a talk by Al Bartlett

Watch this important and engaging presentation broken into ten-minute segments, below. You can also watch the entire one-hour streaming video from Global Public Media.

Note that some of material in this presentation is slightly dated, but this in fact illustrates the consequences of exponential growth.

Part 1:

Part 2:

Part 3:

Part 4: