Volunteers collect waste during one project beach clean up campaign in Kuta Beach, Badung, Bali Indonesia. One Island One Voice is the biggest environmental clean-up event which aims to give awareness to the people and tourism in Bali of the importance of reducing the amount of waste, especially plastic waste. One Island One Voice was started in 2015 and last year organised Bali’s Biggest Beach Clean-up, mobilising 12,000 people across 55 locations to clean-up 40 tons of trash. , the government has pledged to reduce marine plastic waste by 70 % by 2025.