John Dean is never still when he's at his composting and recycling facility, tucked behind the airport in Anchorage, Alaska. Dressed in his usual baseball cap and a T-shirt that reads "Compost -- Because a Rind Is a Terrible Thing to Waste," Dean splits his days between the seat of a backhoe and his mobile-home office. One minute he's loading chocolate-brown compost into a customer's pickup. The next he's yelling at a worker who's scooping compost from the wrong row. John Dean and his Sneetch-starring machine. "Hey, not that pile," he shouts on a recent Saturday before sprinting over to …