Ken Dufalla keeps an eye on the rivers and streams in Green County, Pa. He and other trained citizens watch for fish kills and chemicals in the water from coal and fracking sites, and they have identified contamination. He works with the Izaak Walton League.
"11:11" by Rodrigo y Gabriela; "Bird on a Wire" by Katey Sagal & the Forest Rangers
Right now, all over the world, projects are underway to store seeds. Biodiversity has plummeted in the last 50 years, and scientists fear climate change will kill varieties of apples, yams and many fruits and vegetables. Dick talks with seed collectors.
The rhino’s horn is highly prized for its medicinal qualities in Asia, and the poaching in Africa has become increasingly sophisticated. Hunters use helicopters to chase down the rhinos and cut off their horns. Raoul du Toit tracks the massive beasts and relocates them to safety. He won this year’s prestigious Goldman Environmental Prize for his work.