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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.
By Marjorie AlexanderJohn 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.