William Rees - Measuring Our Ecological Footprint
1:10:59
David Suzuki - On Being Part of Nature
24:57
Our ecological footprint with Dr. William Rees, Professor Emeritus, UBC
27:54
Country of the year: The Economist picks
33:01
Dresden Nexus Conference 2015: William Rees - Keynote Speech
1:31:45
Exceeding Earth's Safe Limits with Johan Rockström | TGS 134
1:13:13
Robert Sapolsky: The Biology of Humans at Our Best and Worst
1:31:05
Stephen Kotkin: Sphere of Influence II
1:17:58