Down to Earth with Zac Efron

Before heading to Paris to learn about its tap water system, Zac joins pal Anna Kendrick for a lesson in H20, courtesy of a water sommelier in LA.

On an island that boasts a notable number of centenarians, Zac rethinks his view on nutrition as he ponders how the locals live such long, healthy lives.

In the devastating wake of Hurricane Maria, Zac explores sustainability in the region, where he meets chef José Andrés, milks a goat and eats ceviche.

Zac boosts his immune system in the Amazon rainforest before climbing a tree, exploring ayahuasca tourism and watching his dinner wriggle on a plate.

Zac and Darin get down and dirty as they explore a natural approach to farming through regenerative agriculture and organic food production.

Zac and Darin test their cooking skills in Melbourne before heading to the Torres Strait Islands to understand the impact of rising sea levels.

In the aftermath of a devastating bushfire season, Zac and Darin learn about efforts to rehabilitate the wildlife and livestock population.

Eco-innovators introduce Zac and Darin to unique and cost-effective ways to address complex problems and help heal the environment.