Troubled waters: what's causing the mystery foam in a Jakarta canal?

The froth has spilled out of a canal in Marunda repeatedly over recent years, but the exact cause is unknownA blanket of thick, snow-like foam covers the surface of a canal in Indonesia's capital, Jakarta. The froth has exuded from the waters of the east flood canal in Marunda repeatedly over recent years, usually in the rainy season.Similar pollution has plagued waters in India, including Delhi's sacred Yamuna River, which has been coated in toxic froth caused by untreated waste, chemicals and pollutants. Continue reading...