In 2023, Australia put a 330-square-metre floating wetland on a wastewater lagoon

Over the course of two years, research revealed that floating wetlands successfully diminished methane emissions by sixty-six percent, alongside notable reductions in carbon dioxide and nitrous oxide levels. The native vegetation on these platforms is crucial in nurturing beneficial microbes that tackle pollutants and gases effectively. This eco-friendly treatment method reveals a significant advancement in wastewater management, with ongoing tests on analogous floating wetlands in regional agricultural dams.