Full-length viewing (in 4 parts):
Part 1
Part 2
Part 3
Part 4
Ten Minute Teaser:
http://www.youtube.com/watch?v=Bfhiqt1CrnU
Full-length viewing (smaller format):
http://www.ket.org/cgi-bin/cheetah/watch_video.pl?nola=krvis_000115&altdir=&template=
Official website of the film "Living Lightly" by Robin Burke:
http://www.livinglightlythefilm.com/
PBS show "Natural Heroes" Season Five episode summary:
http://www.naturalheroestv.org/season5/livinglightly.html