Articles by by Amanda Leigh Mascarelli - Backpacker

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GEAR
TRIPS
SKILLS
SURVIVAL
NEWS & EVENTS
VIDEOS & PHOTOS
STORIES
Local Hikes

by Amanda Leigh Mascarelli

Rocky Mountain National Park

Phantom Menace: Air Pollution Threatens Western National Parks

Invisible but dangerous, airborne pollutants are a danger to the West's most iconic national parks

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