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Mollie Engelhardt’s farm looks messy. Every inch of Sow a Heart Farm in Fillmore, Calif., is growing one of more than 300 types of plants. In between the rows of fruit trees, Engelhardt has got organic peppers, garlic, broccoli, and cauliflower, all covered with a thin layer of grass or clover....

Roddy Scheer & Doug Moss EarthTalk Far from just an environmental pipedream, the coal industry in the U.S. and around the world is in the midst of a major downswing. In 2011, coal dropped below 40 percent of total U.S. energy generation for the first time since the late...