“The laws of nature tell us there's a finite amount of any substance on the face of the earth, and at some point, that's going to run out. And if we're smart and we have some grace and we have some willingness about our destiny, then we will take ourselves into the renewable world.”

American actor and producer, born 1967

Mark Ruffalo is an American actor and producer, active since the late 1980s. Born in 1967, he first came to wider notice through Kenneth Lonergan’s This Is Our Youth and the film You Can Count on Me. He later moved between romantic comedies and thrillers, including 13 Going on 30, Just Like Heaven, In the Cut, Zodiac, and Shutter Island. In 2006, he earned a Tony Award nomination for Awake and Sing! He is also widely known for playing Bruce Banner, also called Hulk, in the Marvel Cinematic Universe, beginning with The Avengers in 2012.