Green Rooftops Could Help Cities Like Shanghai Filter Out Tons of Microplastics from Rainwater
Jun 23, 2025 - 19:00

A Tongji University study shows green roofs can trap most rainborne microplastics, with soil capturing the majority. If all Shanghai rooftops went green, they could remove 56.2 metric tons of microplastics each year, highlighting a promising method for tackling urban pollution.