Question

What are health hazards and effects of pollution on terrestrial and aquatic life?

Answer 1

The word pollution is itself indicates health hazards for both terrestrial and aquatic life if not mitigated properly.

Explanation:

Pollution of air, water and land [soil] due to un-controlled activities of industries, without treatment of emission, effluent or solid waste creates un-healthy climate / environment for terrestrial and aquatic life and causes for many types of diseases.
Hence we must prevent the water, land and ambient air from any pollutant.