GEORGE TOWN: Around this time of the year, many parts of the sea around Penang would turn rusty red because of an algal bloom.It is not the dreaded and toxic red tide, but still an unhappy sign of intense organic pollution. This year, however, marine scientists are delighted to find that the annual algal bloom has not taken place, and the obvious reason is the greatly reduced human activity as more people stay home due to the movement control order. Organic waste from human activity has fallen s
综合
星报-国家
2021-09-01 00:00:00.0