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Home»India»World’s first particulate matter trading scheme in Gujarat cut pollution by up to 30%, finds study led by ex-Obama advisor | India News
India

World’s first particulate matter trading scheme in Gujarat cut pollution by up to 30%, finds study led by ex-Obama advisor | India News

April 15, 2025No Comments5 Mins Read
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The world’s first-ever marketplace for buying and selling in particulate matter emissions—launched in Gujarat’s Surat in 2019 by means of partnerships with the College of Chicago, Yale College, and the Abdul Latif Jameel Poverty Motion Lab (J-PAL)—has lowered air pollution by 20-30% amongst taking part industries whereas reducing their compliance prices, based on a current examine revealed in The Quarterly Journal of Economics.

The Surat Emission Buying and selling Scheme (ETS) seeks to curb air air pollution by permitting crops to purchase and promote permits for particulate matter emissions to remain inside a hard and fast air pollution restrict. Every plant is given a restrict on how a lot it could possibly pollute. Those who keep inside the restrict can promote their unused permits to others that exceed theirs. This strategy, identified globally as a cap-and-trade system, has been utilized in Europe for greenhouse gases and in China for carbon emissions.

The Surat ETS is run by the Gujarat Air pollution Management Board (GPCB) in collaboration with the Power Coverage Institute on the College of Chicago (EPIC), J-PAL, and trade associations. Surat was chosen for the pilot market as it’s a extremely industrialised metropolis the place industrial air pollution contributes almost a 3rd of the ambient particulate matter, the examine notes.

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A cluster of business crops in Surat traded permits on a platform hosted by the Nationwide Commodities and Derivatives Alternate e-Markets Restricted (NeML). Crops that didn’t adjust to emission caps or allow necessities had been fined.

A randomised managed trial (RCT), performed between April 2019 and March 2021, studied 162 crops randomly assigned to take part within the emissions market and 156 that continued to comply with current particulate matter rules. The examine was performed by researchers from EPIC, Yale College, and the College of Warwick.

It discovered that crops within the ETS lowered emissions considerably greater than these beneath standard regulation, and had permits to cowl their emissions 99% of the time. These crops lower particulate matter emissions by 20–30%, whereas additionally reducing air pollution management prices by 11%, thereby bettering compliance. In distinction, crops outdoors the market failed to fulfill air pollution norms for almost a 3rd of the examine interval.

“The market delivered a uncommon win-win-win by decreasing air pollution, lowering abatement prices, and elevating the federal government’s success at implementing the regulation. And it did all this in a setting the place there was nice scepticism that air pollution markets may work,” stated examine co-author Michael Greenstone, Milton Friedman Distinguished Service Professor in Economics on the College of Chicago.

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The researchers tracked air pollution reductions utilizing a steady on-line monitoring system put in earlier than the market’s launch, together with buying and selling and compliance information.

Previous to the rollout, mock trials had been held to coach contributors in buying and selling and compliance protocols. Initially, the emissions cap was set at 280 tons per thirty days, based mostly on estimates assuming crops operated at full capability and emitted pollution on the most focus permitted beneath current air high quality guidelines. Nonetheless, as soon as the market started, the cap was revised downward—based mostly on precise emissions knowledge from steady monitoring—to 170 tons per thirty days, based on the examine.

When requested concerning the discount in particulate matter emissions in absolute phrases, Dr Anant Sudarshan, a examine co-author, stated, “The discount is about 20 %. The full quantity of particulate air pollution emitted per hour was round 3.6 kg/hour, in order that’s an absolute discount of roughly 0.72 kg/hour.” Sudarshan is Affiliate Professor on the College of Warwick’s Division of Economics and Senior Fellow at EPIC.

The GPCB issued about 80% of the emissions cap in free permits, distributed in proportion to a plant’s emissions potential (e.g., boiler dimension), whereas the remaining 20% had been auctioned weekly. Crops that failed to accumulate ample permits to fulfill their caps had been fined.

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An award-winning journalist with 14 years of expertise, Nikhil Ghanekar is an Assistant Editor with the Nationwide Bureau [Government] of The Indian Specific in New Delhi. He primarily covers environmental coverage issues which contain monitoring key choices and internal workings of the Ministry of Surroundings, Forest and Local weather Change. He additionally covers the functioning of the Nationwide Inexperienced Tribunal and writes on the impression of environmental insurance policies on wildlife conservation, forestry points and local weather change.

Nikhil joined The Indian Specific in 2024. Initially from Mumbai, he has labored in publications similar to Tehelka, Hindustan Occasions, DNA Newspaper, News18 and Indiaspend. Prior to now 14 years, he has written on a spread of topics similar to sports activities, present affairs, civic points, metropolis centric surroundings information, central authorities insurance policies and politics. … Learn Extra

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