Bridges used to have a house in Santa Barbara, California, until it was destroyed in a flood. Ironic, because Bridges has been a staunch environmentalist for years. He was even a beekeeper, until he lost his hives in the same flood that took his house, and he was good friends with the eccentric inventor R. Buckminster Fuller.

Who? Fuller invented the geodesic dome, and he was also the brains behind the trim-tab, an invention Bridges uses to describe his thoughts on climate change and the environment. The trim tab is basically a mini rudder for large ships that makes course corrections alone, and that's what Bridges calls his environmentalism: trim-tabbing. "The point is," he told Philly.com, "that a small thing can affect a big thing. And I think we can all do a little trim-tabbing. The problem of the environment seems like something too big for any one person to have an impact. But there is something we can all do."

For him, that's supporting the Plastic Pollution Coalition. His endorsement was partly inspired by his father's show Sea Hunt and the family's close connection to the water. It's also how he promotes an easy bit of trim-tabbing: avoiding plastic bottles, using reusable metal or glass bottles, and non-plastic containers. He even works that into his films, making it a part of his contract that no plastic containers will be used on set.