"I'm trying to find out as much as I can and do the little that I can do," confesses Lili Taylor (State of Mind). "I don't have a Prius or photovoltaic panels, but I'm trying to do what I can."

What little things can you do to help the environment? Find out in our iGo Green section. Plus: Pair hot stars like Cameron Diaz and Leonardo DiCaprio to their green cause in Celebrity Matchmaker: Green & Famous.