Key topicsSouth Africa faces severe water pollution from sewage, industry, and waste.Nanotech offers tools like sensors and ...

One of its potential uses is to clean up whatever is contaminating water supplies. Analytical chemist Philiswa Nomngongo, a leading ... Marine plastic pollution is a global crisis, with 9 to 14 ...

Pollution in the Arkavathy River ... higher bacterial contamination of 3,500 MPN/100 mL. The water quality report also indicates high biological oxygen demand, which is due to a large amount ...

That unchecked pollution didn ... The Clean Water Act established a federal framework "to restore and maintain the chemical, physical, and biological integrity of the Nation's waters." ...