Sheltered in the shade of cottonwood trees flows the 150-mile-long San Pedro River, the last dam-free river in the American Southwest.  Yet, just a few miles away from the river’s edge lies...

One month ago, a forest fire in California burned over 200,000 acres, destroyed 2,800 homes and killed 41 people. Two months ago, Hurricane Maria ripped through Puerto Rico and left millions of people...