Professor Paul Andrew Mayewski is an internationally acclaimed scientist and explorer, leader of more than 50 expeditions to some of the remotest reaches of the planet.

His expeditions have taken him across the Antarctic, Arctic, Himalayas, Tibetan Plateau, and Andes in search of cold hard answers to globally significant issues - acid rain, greenhouse gas warming, the Antarctic ozone hole, toxic metal pollution, natural climate variability, and abrupt climate change.

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