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Rising vehicular emission a major contributor in Delhi NCR's air pollution


Indian Capital New is among the most populated cities in the world. Rapid and unplanned urban development, along with unprecedented population growth, has lead to a relentless increase in air in this

An emissions inventory by the Pune-based System of Air Quality and Weather Forecasting Research (SAFAR) under the ministry of earth sciences (MoES) has found that vehicles and industries are the biggest contributors to particulate matter (PM) 2.5 emissions in Delhi-

A similar emission inventory was conducted by SAFAR for Delhi-in 2010, too, and a comparison with that shows emissions from the residential sector has fallen by 64 per cent due to LPG access even in slums. Emissions from transport and industrial sectors have gone up by 40 per cent and 48 per cent, respectively. Surprisingly, windblown dust, which is often blamed for in Delhi, also reduced by 26 per cent between 2010 and 2018.

Though the state and central government have been encouraging people to use public transport, however, a lack of system within and outside of have failed to back this appeal. Only has over 10 million vehicles and the number is going up every year.

Of the total vehicular pollution, 40 per cent to 45 per cent comes from two-wheelers and another 30 to 35 per cent from four-wheelers. Delhi Metro, to a certain extent, has been able to motivate people to shift to public transport.

The at Delhi School of Economics, in its research, has said that Delhi Metro has resulted in reduced levels of two important vehicular pollutants - nitrogen dioxide (NO2) and carbon monoxide (CO). The Delhi Metro is expanding its network further and the work on Delhi Metro phase 4 is also expected to begin by mid-2019. However, Delhi Metro only provides Therefore, inter-city vehicular remains the same.

Recently, said that projects like Delhi Metro's Phase 4 and Delhi-Regional Rapid Transit System (RRTS) are the game changers in addressing congestion and pollution in Delhi

Echoing similar views, Sharad Goel, a and environmentalist said, "Reducing pollution in Delhi and other NCR cities is a herculean task that no one can do single-handedly. Short-term efforts have been put in here and there but a is the need of the hour. It requires an all-out effort from the public, government and civic agencies. Improvement in and adopting an eco-friendly mode of holds the key. An eco-friendly system is the need of the hour to give a breather to the lungs of Delhi NCR. One of the viable high-which will result in this kind of modal shift is Regional Rapid Transit System."

Regional Rapid Transit System (RRTS) is a rail-based high-speed transit system with a design speed of 180 kmph and an average speed of 100 kmph. Once operational, it will be the fastest, most comfortable and safest mode of commuter transport in NCR.

Delhi - Ghaziabad - corridor will be the first RRTS to be implemented in out of the first three corridors planned in phase 1. The Delhi - Ghaziabad-corridor is expected to lift public transport share from the current 37 per cent to around 63 per cent. As per estimates, the system will significantly reduce pollutants namely PM 2.5 particle by 60,000 tonnes, Nitrogen oxide by 4,75,000 tonnes, Hydrocarbons by 8,00,000 tonnes and carbon monoxide by 8,00,000 tonnes yearly.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Mon, October 29 2018. 12:55 IST