The sulphur content of diesel in India is 350 particles per million, twenty times that of the United States. Diesel exhaust is far more hazardous than petrol exhaust. Yet, diesel cars in Indian cities are rising with the association of automobile manufacturers pushing hard for it.

The main purpose of this book is to bring to the reader an idea of the nature of the struggles being waged to individuals and voluntary groups across the world, and especially in India, to protect the environment.