Air pollution and visitation at U.S. national parks.
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ABSTRACT:
SUBMITTER: Keiser D
PROVIDER: S-EPMC6051738 | biostudies-literature | 2018 Jul
REPOSITORIES: biostudies-literature
Publications
Air pollution and visitation at U.S. national parks.
Keiser David D Lade Gabriel G Rudik Ivan I
Science advances 20180718 7
Hundreds of millions of visitors travel to U.S. national parks every year to visit America's iconic landscapes. Concerns about air quality in these areas have led to strict, yet controversial pollution control policies. We document pollution trends in U.S. national parks and estimate the relationship between pollution and park visitation. From 1990 to 2014, average ozone concentrations in national parks were statistically indistinguishable from the 20 largest U.S. metropolitan areas. Further, re ...[more]
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2018-10-05 | GSE98731 | GEO