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.
Larry and Ellen Johnson have lived in the Gulf Coast area their entire life and run a local seafood business called High Tide Foods. They catch and sell shrimp, oysters and crabs just as their parents did and their kids and grandkids are doing now. But as oil courses into the Gulf for the third straight month, the future of their business and their way of life is unclear.
Josh Fox is a filmmaker who lives in upstate Pennsylvania. The more he learned about how natural gas is extracted, the more worried he became about its effect on people's health, the environment, and in particular, the water.
Maria Gunnoe's family has lived on the same West Virginia land since they settled there after escaping the Trail of Tears. The area has long been coal mining country. Maria's grandfather and two brothers mined for coal. But the methods of mining for coal have begun to change to something called "mountain top removal".
When the Sago mine disaster happened in 2006, singer Kathy Mattea was reminded of another mining disaster from her childhood in West Virginia. It was 1968. Her parents were glued to the television as news of 78 trapped Sago miners came across the screen. Rescuers eventually had to give up.