"First: Do what you can." / Steve Granitz / WireImage
Many watched Johnny Galecki grow up on TV’s Roseanne. Now 37, Galecki stars as nerdy physicist Leonard Hofstadter in CBS’ hit comedy The Big Bang Theory. Like his character, Galecki is passionate about the environment. In honor of Earth Day, April 22, here’s his advice for eco-friendly living.
“I am pretty obsessive about recycling because it is one of the easiest things you can do. It truly is,” he says. “I just got a tankless water heater this year. It wasn’t cheap initially, but it will pay me back. And one benefit is you never run out of hot water.
“Start out doing what you can. I think that is the most important thing. It’s much easier to change behavioral patterns than we tend to believe.”