DENVER (AP) — Visitors appear to be steering clear of some U.S. national parks or cutting visits short because of pollution levels that are comparable to what’s found in major cities, according to a study released Wednesday.
Researchers at Iowa State and Cornell universities looked at more than two decades of data on ozone pollution at 33 parks — from Shenandoah to Yellowstone, the Grand Canyon and Yosemite. They say visitor numbers dropped almost 2 percent when ozone levels went
This story is from The Seattle Times. Read the rest of this News story at https://www.seattletimes.com/nation-world/apxstudy-links-air-pollution-to-drop-in-national-park-visitors/?utm_source=RSS&utm_medium=Referral&utm_campaign=RSS_seattle-news.