SPM

Delayed Deadline: Analysis of coal power sector’s plans to meet new environmental norms

The thermal power sector has made very little progress in implementing the revised stack emission standards for suspended particulate matter (SPM), sulphur dioxide (SO2) and oxide(s) of nitrogen (NOx) notified in December 2015. The industry had raised several objections— the technology is not suitable for Indian coal, costs are too …

TERI sounds ozone alarm for 2030 Delhi: vehicle fleet to be blamed

New Delhi: The Energy and Resources Institute has rung alarm bells for the rising ozone levels in the country. Delhi has reason to be especially worried as not only does it suffer from extremely high ozone levels but also tops the list of cities with the highest levels of oxides …

Air quality at Sonamarg - A tourist hill station in Kashmir Valley, India

The present study was undertaken to determine the ambient air quality with respect to suspended particulate matter (TSPM), respirable suspended particulate matter (PM10), nitrogen dioxide (NO2) and sulphur dioxide (SO2) at Sonamarg- a tourist hill station in Kashmir valley. The ambient air quality at three different station namely Sonamarg town, …

Residents breathe hard as digging raises pollution levels

NOIDA: The city may be undergoing a change due to various infrastructure development works, however if figures released by the Uttar Pradesh Pollution Control Board (UPPCB) are to be believed, the widespread digging has resulted in increase in the suspended particulate matter (SPM) resulting in various problems to the residents. …

Parichha power units wait for mandatory renovation

LUCKNOW: The two units of Parichha thermal power project, which are under the scanner of the Central Pollution Control Board (CPCB) for snuffing out fly-ash, thereby causing health hazard to thousands of villagers living around, have been waiting for almost five years for a mandatory renovation exercise, top sources in …

States must follow Delhi on diesel tax

Market sales show that 36 per cent of new car sales in India are in the diesel category. This is expected to touch the 50 per cent mark very soon according to projections made by experts in the automobile industry, especially in the bigger car segment. Market statistics show that …

Impact of wrong use of a clean fuel

A pioneering program by one of the world's largest cities to switch its vehicle fleet to clean fuel has not significantly improved harmful vehicle emissions in more than 5,000 vehicles

Public health and air pollution in Asia (PAPA): coordinated studies of short-term exposure to air pollution and daily mortality in two Indian cities

This report contains studies in Chennai and Delhi led by Dr. Kalpana Balakrishnan and Dr. Uma Rajarathnam, respectively. These time-series studies of air pollution and mortality in India were funded under HEI's PAPA Program to provide information to inform regulatory and other decisions that would be relevant to local populations, …

Detailed project report: pilot emissions trading schemes in Gujarat, Maharashtra and Tamil Nadu

Piloting an ETS will enable the Ministry of Environment & Forests to cap total pollution emissions in select areas and increase regulatory transparency and accountability. The pilot emissions trading scheme will be rolled out as a randomized-controlled trial to enable rigorous evaluation. Such an evaluation will provide gold-standard evidence on …

Nature for them is black

JHARSUGUDA: At the first glance, Sanjob, Chuwaliberna, Madhuban Nagar and Ramadera are no different from scores of other villages dotting Jharsuguda district. Try pumping out water from one of the tube-wells and you will see why they stand apart: The water that gushes out of the mouth is black in …

Speck by speck, dust piles up

The world has a dust problem. There is more of it than there used to be. Apparently, the amount of airborne dust doubled in the 20th century, according to a recent scientific paper in the journal Atmospheric Chemistry and Physics. The claim sounds outlandish. The amount of dust in the …

Sponge irons dirty growth

Sponge iron industry is set to drive future steel production of India. But poorly regulated factories are highly polluting. Protests are frequent, often turning violent. Down To Earth reports on the status of the sponge iron industry and its challenges. See Also: Feature: Slack approach http://www.downtoearth.org.in/node/4946 Opinion- Stink of India's …

Sponge iron’s dirty growth

Sometime in June 2009, the West Bengal chief minister’s office forwarded a complaint to the state pollution control board (SPCB) about three sponge iron factories in West Medinipur district. A team was dispatched to Jhargram subdivision. It found a thick layer of grey dust coating trees and pathways, and noted …

Weak rules, weaker regulators

A blanket of smog envelopes Kuarmunda and Bonai subdivisions of Odisha’s Sundargarh district every morning. Area residents attribute it to emissions from sponge iron factories nearby that switch off their emission control devices—electrostatic precipitators (ESPs)—at night. The reason these factories get away with such offences is weak rules and weaker …

Air pollution in six cities alarming

The national summary report on air quality monitoring and emission for six cities of Delhi, Mumbai, Chennai, Bangalore, Pune and Kanpur has rung alarm bells over the

People of Aizawl breathe less-polluted air

Aizawl city has witnessed a slight increase in air pollution during this month compared to the same month last year. The Mizoram Pollution Control Board (MPCB) has revealed that the level of Suspended Particulate Matters (SPM) in the state capital has gone up to 78 per cent from last year

Suppressed CNG facts

THE Central Pollution Control Board (CPCB) has fumbled in answering a critical question on carbonyl and methane emissions from vehicle exhausts: which pollutes less—petrol, diesel, CNG or LPG? The pollution watchdog’s study on emissions provides a database that could be used to give a policy message. It declared CNG to …

Suppressed CNG facts

The Central Pollution Control Board (CPCB) has fumbled in answering a critical question on carbonyl and methane emissions from vehicle exhausts: which pollutes less

Estimation of composite air quality index for Lucknow

This paper mainly deals with the measurement of air quality by observing the concentration of pollutants in the atmosphere namely suspended particulate matter, NOx and SO2 at five different selected locations in Lucknow city. The locations for the study have been chosen on the basis of land use pattern. Each …

Assessment of urban air pollution and its probable health impact

The present study deals with the quantitative effect of vehicular emission on ambient air quality during May, 2006 in urban area of Lucknow city. In this study, SPM, RSPM, SO2 , NOx and 7 trace metals associated with RSPM were estimated at 10 representative locations in urban area and one …

Can use of clean fuel alone check air pollution?

Many of the LPG-kit fitted autorickshaws in Chennai continue to run on petrol. CHENNAI: With Transport Minister K.N.Nehru recently announcing that a deadline would soon be set for all autorickshaws and taxis in the city to switchover to LPG (liquefied petroleum gas), the issue of ambient air quality and the …

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