[1] He specialized in holism and the Gaia hypothesis and was a founding member of Schumacher College, where he coordinated the master's program in holistic sciences.
[3] While at Oxford, he conducted field research in Zimbabwe, Venezuela, and Costa Rica.
After his studies, he was a founding member of Schumacher College and became close associates with James Lovelock.
[4] At the college, he researched deep ecology[5] and led the holistic sciences master's program for twenty years.
He most closely worked with Lovelock, whose Gaia hypothesis considered the Earth to be a living being, creating its own habitat.