Rachel Sussman: The world's oldest living things - Rachel Sussman (2010)
Derek Sivers: Keep your goals to yourself - Derek Sivers (2010)
His Holiness the Karmapa: The technology of the heart - His Holiness the Karmapa (2009)
Johan Rockstrom: Let the environment guide our development - Johan Rockstrom (2010)
Nic Marks: The Happy Planet Index - Nic Marks (2010)