Man's Interference with the Environment

Man is the only organism that interferes with the environment. He has cut down trees for using firewood and making furniture and other articles. He has cut down forests to bring more land under cultivation for growing more food and he has also killed animals for food and other articles obtained from them. 

Can you mention any other ways in which man has interfered with his environment?

Which of the following wastes cannot be decomposed by bacteria to form compost?

What problems are being created by the great rise in the human population?

Write the definition of the term pollution.