Arithmetic, Population, and Energy: Sustainability 101, the Al Bartlett lecture he gifted humanity 1,742 times from 1969 until he died in 2013.
A Planet for the Taking, eight part series with David Suzuki, 1985.
From the Heart of the World: The Elder Brothers' Warning from 1990.
The Century of the Self, 2002 BBC series looks at USA/UK socio-political developments in the 20th century.
Aluna: There is no life without thought, 2011, a second warning.
Reality 101, 2019 videos by Professor Nate Hagans.