The number game is out and the model is in. A matrix of mathematical parameters, the Anil Agarwal Clean Air Model equips one to assess vehicular pollution levels. Pointer to shallow policies, it paints a grim picture of the future. Its first application justifies the need to fight for clean air

Several ministries and government agencies have tried to scuttle the Supreme Court order to move public transport to CNG

Now you can measure the cancer potency level of cars. And diesel turns out to be the most dangerous

Unnoticed and ignored, the small cities and towns of India are as polluted as the four metropolitan cities

There is no option but to curb dieselisation of the private automobile fleet to avert the threats posed by diesel emissions

Suspended particulate matter in the air, is a greater threat today than was ever perceived

Humankind faces the most prolonged and worst exposure to pollution within the four walls of its homes - indoors - where biomass combustion spells a quiet doom for millions. Surprisingly, most research has chosen to ignore this problem in favour of the more visible outdoor sources of pollution