Walter Block speaks about Free-Market Environmentalism at the Australian Mises Seminar. For more information see: http://www.mises.org.au

Lecture:
3:30 - Pollution
10:30 - Species Extinction
15:07 - Paper or Plastic?
19:57 - The Over-population "problem"
27:50 - Trees and clear-cutting

Q&A Session:
30:22 - 'Water? Who does it belong to?...'
37:00 - 'Imagine 1840, no railways, but one foot bridge...'
40:22 - 'Homesteading and mineral rights...'
42:37 - 'Solution towards culture's that don't respect private property rights...'
45:36 - 'Non-point source pollution, or diffuse source pollution, and the Great Barrier Reef'
49:26 - 'Voluntary slavery and self-ownership and how would you enforce it'

(From Youtube)