Question

A petroleum refinery is to be built in a location. The refinery is most likely to dump its wastes into the local river. This might cause serious environmental problems in the location. Which of these is the best method to solve this problem?

Ban the use of river water for drinking and cleaning purpose.

Devise methods to recycle the waste and dispose of it safely.

Plant more trees in the location to keep the environment clean.

Formulate appropriate reviews and controls to prevent excess use of river water.