Peer pressure gets a bum rap — you hear it and you think of vaguely threatening junior high schoolers going “come on man, what are you, chicken?” But it’s not always bad news. For instance, peer pressure works to change the environment — when people see their friends and neighbors going green, they’re more likely to change their habits. This infographic gives a taste of how that works; for more instructions on the science of peer pressure, check out the whole thing.