Check the groundwater: expert says city may be contaminated by leaked sewage and past industrial pollution - South China Morning Post

South China Morning PostCheck the groundwater: expert says city may be contaminated by leaked sewage and past industrial pollutionSouth China Morning PostIn Hong Kong, recent scientific studies have highlighted correlations between high discharges of nutrient-rich groundwater into Tolo Harbour and the high frequency of algal blooms or red tides in the area, which can harm marine life by depleting oxygen ...