We return with Stephen to explore these questions… What has the role of psychedelics been in human and plant evolution? What is the ecological function of art? How is science changing as it moves out of reductionism? What do the heart, the brain, and the gut have in common?

Stephen is the senior researcher for the Foundation for Gaian studies, described as a bardic naturalist, he is the award-winning author of 19 books, including The Lost Language of Plants, The Secret Teachings of Plants, and Sacred Plant Medicine.

Eco-philosopher Joanna Macy PhD, is a scholar of Buddhism, general systems theory, and deep ecology. A respected voice in the movements for peace, justice, and ecology, she interweaves her scholarship with five decades of activism.

Matthew Wood has been a practicing herbalist since 1982 in traditional Western herbalism and has helped tens of thousands of clients over the years.

Albert Bates has been the director of the Global Village Institute for Appropriate Technology since 1984 and the Ecovillage Training Center at the Farm in Tennessee since 1994 where he's taught sustainable design, natural building, permaculture and restoration ecology to students from more that fifty nations.

Naturopath Xandria Williams demystifies the spectre of cancer, the most insidious "disease of civilization," and recommends a menu and lifestyle for its treatment and prevention, with lots of juicy details.

Peter McCoy is the author of new book Radical Mycology. What began as a self-guided passion has developed into a life-long devotion to the fungal kingdom and educating the world about its ability to heal the bodies, minds, and ecosystems.

Today we will have a rare glimpse into one of the last remaining wild places in the Eastern United States, Cumberland Island, a 18 mile long island just off the coast of Southern Georgia

Matthew Fox is a creative, comprehensive, and challenging religious-spiritual teacher in America who has been renewing the ancient mystical tradition of Creation Spirituality, founding the University of Creation Spirituality in Oakland

Dr. Caroline Fraser, has written the first definitive account of a visionary campaign to confront ecological crises, entitled Rewilding the World, Dispatches from the Conservation Revolution.

Toby Hemenway is the author of Gaia’s Garden: A Guide to Home-Scale Permaculture, which for the last eight years has been the best-selling permaculture book in the world.

Charles Eisenstein is a teacher, speaker, and writer focusing on themes of civilization, consciousness, money, and human cultural evolution. His viral short films and essays online have established him as a genre-defying social philosopher and countercultural intellectual.

Dr. Susan Murphy Roshi is a writer, radio producer and film director, film professor, as well as the founding teacher of Zen Open Circle in Sydney Australia. She has a special interest in the way Zen and Indigenous Australian sense of 'care for country' come together.

Linda Tucker, an ecological activist, grew up in South Africa during Apartheid and attended the Universities of Cape Town in South Africa and Cambridge in the United Kingdom. In 2002, she founded the Global White Lion Protection Trust.