At a cost of $1 million per acre to construct, operate and ultimately close in an environmentally feasible method, modern landfills are technological marvels — a far cry from the town dump that still resonates in most people's perceptions. Not only do they make money for their owners, they add millions to the economic wellbeing of the towns that house them. Technologies, such as Landfill Natural Gas and Waste To Energy, are giving garbage a second life, turning trash into power sources and helping to solve mounting problems. It's particularly important in places like Hawaii, where disposal space is an issue, and in China, where land and energy are needed and trash is plentiful.

One sure thing about the garbage business: it's always picking up.


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