If you have 10 minutes, check out this Ted Talk by Sean Smith, M.S. & Environmental Specialist.
https://www.youtube.com/watch?v=V9VcSM4wglM
Why Protect the National Parks?
The National Park Poster Project
If you have 10 minutes, check out this Ted Talk by Sean Smith, M.S. & Environmental Specialist.
https://www.youtube.com/watch?v=V9VcSM4wglM