The river has since become polluted and is no longer a popular fishing place.

By the 1850s, however, the Yarra was becoming quite polluted, though people continued to bathe in it and drink the water.

As the town developed they all became polluted, and were buried.

However, since the middle of the 20th century, the beach and water have become polluted.

In another scene a homeless man pushing a shopping cart explains how the Earth's water supply is becoming polluted.

The lower reaches of the creek had become polluted, and were buried in a sewer in 1915.

By the 1980's, however, those bodies of water had become polluted and unappealing.

In one incident, he was causing property damage purely to help the Moloids, whose water and food had become polluted.

We must do all we can to prevent our waters from becoming even more polluted.

By this time, the Singapore River had also become very polluted.