Q&A: Can U.S. parks promote safety, recreation and environmental protection?
3 days ago · Phys.org
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Recently, heavy rains have caused flooding in Grand Canyon and Zion National Parks, resulting in the loss of at least two lives. In U.S. national parks, maintaining visitor safety can be complicated because it is difficult to measure who is in a park…
Source: Phys.org — Read full article →
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