Stay Up To Date!
Get event and episode updates

I have read the privacy policy and agree to have emails sent to me from Marjorie Alexander and A Sustainable Mind

John all is a scientist, mountaineer, and explorer. He has traveled to some of the most isolated places in the world to collect data, witnessing the effects of climate change first hand.

He is the Co-Founder and Executive Director of the American Climber Science Program and the author of Icefall, where he recounts his adventures at the farthest edges of this planet.