Gameau has also appeared in a number of award-winning TV shows and films, such as Love My Way, The Tracker and Balibo.

His '2040' documentary included an extensive impact campaign that has seen 1.5 million students be taught the curriculum materials, hundreds of farmers receive assistance to switch to regenerative practices plus the building of the first seaweed platform in Tasmania.

In 2014, he announced the production of the documentary That Sugar Film in which he relates the dire mood swings and weight gain he experienced after taking on the low-fat, high-sugar diet for 60 days.

[6] That Sugar Film is the highest grossing Australian documentary released in cinemas across Australia and New Zealand.

His most recent film, 2040, is a documentary is a letter to his 4-year-old daughter showing her what the world could look like in 2040 if we put into action the best solutions to many of our environmental challenges.

It premiered at the Berlin Film Festival and has recently become one of the highest grossing Australian documentaries of all time in Australia.

[2] Gameau starred as Sonny in the Australian movie Thunderstruck, a tale of a group of friends and their devotion to AC/DC and in particular Bon Scott.