THE NEXT TIME you read about the actions you “should” take to help the planet, consider if it is just another case of “if everyone does a little, we’ll achieve only a little.” The truth is that most of our personal actions can have only a tiny impact. Let me be clear: I’m not saying that you shouldn’t think carefully about your own personal choices. There are solid reasons why any of us might choose to change our diets, drive a smaller car, and reduce the carbon footprint we leave on the planet. But climate change shouldn’t be the major consideration, because the effect of such choices is so
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