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. Cary Fowler is in charge of a global seed bank carved into a mountain in the Arctic. Meanwhile, Alejandro Argumedo is collecting seeds from more than 1,500 varieties of potatoes in his native Peru.
There's a project underway to identify a type of American Elm that's resistant to Dutch Elm disease. The U.S. Department of Agriculture is asking people across the country to help them identify healthy trees.
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Ben Flanner is a pioneer of rooftop farming in Queens, New York. Preparing his one-acre farm required a lot of trips up the elevator, but he saw a good harvest last fall, and he says he's ready to plant again. "