Business Green: What is it with pollsters and green consumers? Why do nearly all of the surveys seem so gushingly optimistic, even during pessimistic times? That’s a question that’s been nagging me the past few weeks. I typically wait until near Earth Day in April to digest the current wave of surveys about green consumers in the U.S. (see here and here, for example), but the trickle of survey results has turned into a gusher much earlier this year than I can recall. Nearly a dozen surveys …