In 2019, Sri Lanka implemented a strategic environmental initiative to address noise pollution challenges associated with critical wastewater treatment infrastructure. As part of the nation’s broader efforts to enhance urban livability and public health, the project focused on integrating noise mitigation measures into existing and newly developed wastewater treatment facilities.

In 2024, Macao launched a forward-thinking infrastructure initiative to address noise pollution challenges along the A2 Bridge, a vital transportation link connecting key urban and economic zones. The project underscores Macao’s commitment to balancing rapid urban development with environmental sustainability and community well-being.