Zac Efron has graduated from High School Musical and is now in the big leagues.From discovering a waterfall can be used as a power source to drinking milk straight from a goat, Efron is on a righteous quest to find the greenest ways of life in the Netflix docuseries Down to Earth with Zac Efron – while looking as ruggedly handsome as ever.Efron and wellness expert Darin Olien travel the world in search of fitness and sustainability secrets.Anyone with a desire for all things healthy and green