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Recycling rates have stagnated for a good while now. That continues to be partly a function of human nature. But a little imagination can nudge those rates upward.

A recent study by the American Beverage Association reported that 74% of the U.S. population has access to curbside recycling, but the infrastructure exists to extend the service to millions of others, relatively easily. And the report has some good suggestions for increasing participation with those already getting curbside service.

The study says 229 million Americans have curbside collection, and it could be extended to an additional 95 million people without too much difficulty. Currently 92% of the U.S. population has access to some form of recycling program, whether it's curbside collection or a drop-off site.

The study is optimistic about how simply recycling rates can be increased. What it doesn't seem to account for is a couple of formidable obstacles -- government cost and consumer motivation.

In these tough economic times when just about every local government is stretched big time to its financial limits, any cost addition can be daunting.

Even if trash collection is provided, adding recyclables collection is adding manpower and perhaps vehicles and energy costs.

And don't underestimate the challenge of getting people to actually do it, no matter how easy. Even a single-stream curbside collection program requires people to separate their waste and probably remember a different pickup day.

It sounds simple. But most of us motivated to recycle are already doing so. That probably leaves people who really aren't interested.

That's why economic incentives are really attractive means to increase recycling rates. Pay-as-you-throw programs, discounts on waste disposal bills or rewards for recycling are great ideas to reach those people that altruistic environmental benefits won't motivate.

Everyone loves to save money. Whether it's local governments, or you and I.

Allan Gerlat is editor of Waste & Recycling News. Past installments of this column are collected in the Inbox archive.

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