In light of these facts, how can San Franciscans and others think recycling conserves resources? First, many states and local communities subsidize recycling programs, either out of tax receipts or out of fees collected for trash disposal. That's the case with Auburn University's recycling grant. Thus the bookkeeping costs reported for such programs are far less than their true resource costs to society. Also, observers sometimes erroneously compare relatively high-cost, twice a week garbage pickup with relatively low-cost, once or twice a month recycling pickups, which makes recycling appear more attractive. "Mandated recycling exists mainly because there is plenty of money to be made by labeling products as "green" or "recycled" to get municipal and federal grants." Why do these same people think that recycling is protecting the environment by not polluting? Recycling is a manufacturing process, and therefore it too has environmental impact. The US Office of Technology Assessment says that it is "usually not clear whether secondary manufacturing such as recycling produces less pollution per ton of material processed than primary manufacturing processes."

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