The Best Episodes of Down to Earth with Zac Efron

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.

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Searching for ways to minimize their carbon footprint, Zac and Darin visit a self-sustaining home and other businesses innovating to reduce waste.

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

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Leaders and representatives of Aboriginal communities show Zac and Darin how Indigenous cultures live to protect and preserve the land.

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In between getting an up-close look at Iceland's renewable energy efforts, Zac soaks in a spa with Darin, samples reindeer and views natural wonders.

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

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

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

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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.

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

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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.

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From Sydney to the Greater Blue Mountains, Zac and Darin meet with leading eco-warriors to learn about protected lands and habitat conservation.

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Along the coastline, Zac and Darin take a deep dive into the coral reef restoration techniques supporting a vast underwater ecosystem.

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Zac and Darin try out life at a swanky eco-village committed to a small environmental footprint, visit a wildlife refuge and enjoy a zip lining trip.

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Following a crash course in apple growing, Zac and Darin head to Peru to delve into potato cryopreservation, biopiracy and the sport of sandboarding.

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After a beekeeping stop on a New York City rooftop, Zac checks out London's pollution-reduction efforts, from wall gardening to trash collecting.

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