A funny and gutsy play about sustainability, humanity and the future of the planet, The Last Boy on Earth will open on Tuesday night to a full house at the Butter Factory Theatre in Wodonga.

Written and directed by Yackandandah playwright Brendan Hogan, The Last Boy on Earth is brought to life by Aya McInerney, 11, Connor Wall, 12, Alexandra Mason, 12, and Henry Rotherham, 14.

Hogan said the young cast expertly portrayed the complex issues with both skill and wit.

"You can explore heavy issues - like climate change or waste - with children and explain what's usually missing from the debate with adults," he said.

"When adults have these conversations, they're usually full of hyperbole and missing the passion and compassion you get from children."

Having first been performed in a converted Yackandandah op shop last year, the Yackandandah Young Players' show was discovered by HotHouse Theatre and catapulted into its 2019 season.

Musician Ben Gallagher has composed a new score for the show, which now features a bigger set and professional lighting.

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Hogan said the family-friendly show had something for everyone.

"Although it's a children's show, there's plenty in there for the adults too," Hogan said.

The Last Boy on Earth is suitable for humans aged eight earth years and up.

It runs on Wednesday at 1pm, Thursday at 1pm, Friday at 7pm and Saturday at 1pm and 7pm.

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