KOLKATA 25 April: In order to pin down the cause of air pollution in the state, the state pollution control board will set up an Environment Compliance Assistance Centre (ECAC) at every small and medium enterprise such as, tanneries, petrochemical and bleaching factories.

Hyderabad, April 21: The boom in the mining sector is having a devastating effect on the ecology and environment of the state particularly in Rayalaseema and the tribal areas.

The AP Pollution Control Board

Hyderabad, April 21: There

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Ankur Jain | TNN

Kolkata is among the most polluted cities, ranked alongside Cairo and Delhi, a World Bank study reveals. This is notwithstanding the fact that more people are affected by pollution in Kolkata than in the other cities of India on account of the density of population.

Eli Kintisch

SULFATE AEROSOLS Aerosol pollution has helped keep the planet cool by blocking sunlight Unlike carbon dioxide, which persists in the atmosphere for centuries, aerosols last for a week at most. So cutting them would probably accelerate global warming rapidly

M Subramanian

KOCHI: All kinds of plants have the capacity to refresh the air in the interior of the house if placed in the proper positions and are provided proper care. In addition to giving out oxygen and humidity, the plants can absorb the polluting chemicals from the atmosphere. On absorption, these chemicals are dissociated and used for the metabolic activities or rendered harmless.