Andy Redfern, co-founder of the website Ethical Superstore.com, has no illusions about consumers who claim to be green. "We had a rush last year on solar iPod charges . . . and most of them were going to Glastonbury," he says. Even if people who buy things with an environmentally friendly claim do so for selfish purposes, there is no doubt that people are buying more of them. Mr Redfern started his website, which offers some 3,500 products ranging from "eco kettles" to the BBC book, It's Not Easy Being Green , two years ago. Today, 2,000 people make purchases every week, helping the website bring in some