Content Development Richa Sharma Publishing Head Anupama Jauhry Editorial and Production Teams Pallavi Sah, Vidya Subramanian Aman Sachdeva, Mahfooz Alam Technical Review Shazneen Gazdar Design and Illustration Teams Priyabrata Roy Chowdhury Rajesh Das, Yatindra Kumar and Vijay Nipane
Printed and bound in India
This book is printed on recycled paper.
The Energy and Resources Institute
It s in the air Simply put, pollution means dirtying the surroundings around us. And anything that dirties any part of the environment air, water, soil, and so on is known as a pollutant .
What is air pollution The dirtying of air is known as air pollution. Fumes and smoke from factories and cars dirty the air and cause outdoor air pollution. Many natural events such as forest res and volcanic eruptions, which throw ash, soot, and harmful gases into the atmosphere, can also pollute air.
Indoor air pollution
Aerosol sprays can cause indoor air pollution.
The air inside our homes is not that clean either. Burning wood, dung or coal for cooking or heating can cause indoor pollution and harm living beings. Even building materials such as asbestos and lead can pollute the air indoors and make people ill.
Reducing air pollution