Need not, spend not (and by default: waste not). Buying less and wasting less is the easiest, cheapest way to show concern for the environment. When we do have a need, perhaps a set of jeans or a microwave, why not see if someone already has what you need for free in your community? It’s easy, thanks to freecycle.org, craigslist.org and a growing number of local gift or barter exchanges. What’s in common with all these forms is a transfer to goods (and in some cases services) without the use of money. Individual self-interest is trumped by community interest. So let’s start taking care of our community.

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