One of my favourite outdoors podcasts is 10 Adventures.
Check it out.
A good starting point is their interview with Jim Kern on how to Save America‘s Outdoors.
… As the founder of the Florida Trail, co founder of the American hiking society, and president of Big City Mountaineers, Jim has led an awe-inspiring life and career that has gone far beyond the scope of just his own adventures, helping at-risk youth by introducing them to the outdoors and inspiring real change. …