Episode Details

Scientists on Phillip Island have launched a world-first experiment using floating wetlands—native plant platforms—to slash greenhouse gas emissions from wastewater lagoons. Over two years, these “floating gardens” cut CO2, methane, and nitrogen by significant margins without needing costly upgrades to existing systems. Beyond pollution reduction, they also improve water quality and support wildlife like ducks. The project is now expanding to farm dams in the Bass Coast, testing eco-friendly materials and boosting biodiversity—with farmers already seeing real benefits. This simple, nature-based solution could be a game-changer for global wastewater management.

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