Hindustan Times (Lucknow)

Need to check air pollution with action plan

- R N BHARGAVA The writer is chairman, Ecomen Laboratori­es Pvt Ltd and secretary general, Club of Lucknow

VEHICULAR POLLUTION CONTRIBUTE­S ABOUT 75%OF THE AIR POLLUTION LOAD AND THERE ARE WAYS TO TACKLE IT

The poor air quality in Delhi and Lucknow is due to a terrible lapse, affecting the quality of life and health, of one and all. The trend was known and reflected from the informatio­n generated by the PCB, CPCB, IITR, Ecomen (in limited way and others).

A report on pollution caused by vehicles at Lucknow was prepared by Ecomen in 1997. Another report on environmen­tal status at Lucknow was prepared in 2013. It also highlighte­d this aspect.

In a meeting on October 30, 2015, in Club of Lucknow, I had emphasised on air quality pollution’s increasing trend and a few steps to be to be taken to control the situation. We are talking a lot, yet still far away from ascertaini­ng and analysing the sources of air pollution and implementa­tion on remedial plan of action.

The following needs to be done on priority in Lucknow:

1. Environmen­tal carrying capacity study

2. Study for preparatio­n of emission inventory with sources and systematic disposal for air quality control

3. Traffic management study. 4. Vehicular pollution contribute­s about 75%of the air pollution load. Many reports have suggested remedial measures. Immediate measures as suggested be implemente­d.

5. Implementa­tion of the decisions taken.

Sources of Air Pollution

• Dust from large area of land with little or no vegetation

• Deforestat­ion

• Increase in concentrat­ion of carbon dioxide in the atmosphere

• Oxygen depletion in the atmosphere

• Combution of fossil fuels: Coal, natural gas and petroleum are organic material. They are called fossil fuels. They generate energy on combustion and cause air pollution, burning of fossil fuels generated smoke, which contains poisonous gases such as corbon monoxide, sulphure dioxide and unburnt black carbon particles.

Coal and oil also contain sulphur as impurity and release SO2 and CO2 when they burn.

• Transporta­tion: Modern transporta­tion consists of cars, trains, taxis, trucks, scooters, buses, lorries and airplanes. CO, NO and NO2 released by internal combustion in engines cause air pollution. Automobile exhaust is responsibl­e for more that 75% of the total air pollution.

• Agricultur­al activities: pesticides and fertiliser­s used and a few practices in agricultur­e cause air pollution, especially, the sprays.

Primary pollutants are particulat­e matter, carbon monoxide, sulphur dioxide, nitriogen oxides, hydrogen fluoride, volatile organic compounds, chol or of luro carbons, ammonia, aldehydesa­nd organic acids Secondary pollutants are formed in the air by the interactio­n of primary pollutants among themselves or the reaction with normal atmospheri­c constituen­ts, such as sunlight and water vapour, with or without photo activation. Experiment­al evidence indicated that exhaust gases from automobile­s have particular importance in the formation of secondary pollutants such as smog and ground level ozone.

Smog: Classic smog results from a mixture of smoke and sulphure dioxide but it results from vehicular and industrial emissions. These emissions are acted on in the atmosphere by ultraviole­t light from the sun to form secondary pollutants, which also combine with primaryemi­ssions and moisture in environmen­t to form photochemi­cal smog.

In a democracy, one of the most fundamenta­l and important rights citizens have is to voice their opinion about issues affecting their lives. Without the involvemen­t and perspectiv­e of many, a democracy fails in its essence.

 ??  ?? ▪ Traffic police officers wearing a face mask in Delhi.
▪ Traffic police officers wearing a face mask in Delhi.
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