— Disappearing glaciers, decreasing air quality and foundation species pushed to the brink of survival. America’s national parks are facing environmental threats that range from tiny invasive species to the planet-spanning impacts of climate change.
Environmental woes imperil America's national parks
Current Status: Blessed (1)
Fri Jun 8, 2012 4:43 PM

Disappearing glaciers, decreasing air quality and foundation species pushed to the brink of survival. America’s national parks are facing environmental threats that range from tiny invasive species to the planet-spanning impacts of climate change.
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