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David Keiser

David Keiser

Assistant Professor of Economics, Iowa State University

Ozone Pollution in US National Parks Is Nearly the Same as in Large Cities

6 min read Jul 18, 2018

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Since 2010, The Inertia has served as the definitive voice of surf and outdoor culture. We celebrate the natural world through original films, reporting, and community events, driven by curiosity and respect. By partnering with conservation nonprofits, we are dedicated to protecting the planet's most sacred places.

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