Environment and Water Ministry secretary-general Datuk Seri Zaini Ujang said that the cleaner rivers in the Klang Valley was due to less human interference such as industrial waste and construction works, which contributes to murkey grey waters and general pollution.
Globally, countries have seen their waterways clear up and native animals return as human activity slowed down drastically. Now, the same is happening in Malaysia as well, as those living nearby Klang River report that the water has been noticeably clearer and cleaner.