15 Celebs Who Love the Earth and Can’t Shut Up About It

6. Julia Roberts

“Big mistake, huge.” The popular Pretty Woman line could very well be what actress Julia Roberts says to herself whenever she goes up against those who would seek to harm our earth. Roberts has said that having children helped her to see the importance of preserving our environment, so that children have a sustainable future to look forward to. The Erin Brockovich star works closely with Earth Biofuels, the mission of which is to help support America’s farmers, reduce the country’s dependence on foreign energy, and work on overall environmental improvements. Additionally, she is the voice of “Mother Earth” for the environmentally-focused documentary micro-series Nature is Speaking, where environmentally-conscious celebs lend their voices to become elements of the environment. Others involved include Ian Somerhalder, Reese Witherspoon, Lupita Nyong’O and Liam Neeson.