Reuters: I’m not much of a shopper, but when I buy stuff, I prefer to do it online. I don’t like shopping malls, driving in traffic, crowded stores or dealing with "customer service" people. I do enjoy getting packages at home. Now, it turns out, there may be another reason to shop online: E-commerce is a way to help fight climate change. So, at least, says eBay and a carbon-footprint consulting firm called Cooler, in a report due out today. In particular, the report argues, eBay’s …