Air Pollution

Order of the National Green Tribunal regarding the deplorable condition of a water tank, Golconda Fort, Hyderabad, Telangana, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item Titled "Neglected Katora Houz in Hyderabad’s Golconda Fort Cries for attention appearing in ‘The Siasat Daily’ dated 25 May 2025". The application was registered suo-motu based on the news item titled “Neglected Katora Houz in Hyderabad’s …

Central Pollution Control Board

The Central Pollution Control Board (CPCB), statutory organisation, was constituted in September, 1974 under the Water (Prevention and Control of Pollution) Act, 1974. Further, CPCB was entrusted with the powers and functions under the Air (Prevention and Control of Pollution) Act, 1981. It serves as a field formation and also …

The potential for Bus Rapid Transit to reduce transportation-related CO2 emissions

This article examines Bus Rapid Transit (BRT) as a near-term strategy for reducing CO2 emissions in a typical medium-sized U.S. city. The paper compares the expected CO2 emissions from three scenarios to meet the city's growth in work trips by 2011: a no-build option that relies upon private automobiles and …

A progress report on audit of PUC centers and networking of PUC centres in Delhi

This report presents the results of the third party auditing of the PUC centers. It recommends periodic audits every six months and corrective actions based on the findings of the third party auditing of the PUC centres. Presents the finding of the decoy operation in which frauds in a PUC …

Implementation of lambda measurement in Pollution Under Control (PUC) certification programme in Delhi

This report is in continuation of Report No. 20, May 2006. The report contains an assessment of the lambda data generated in the ongoing pilot programme to propose the lambda cut point for enforcement under PUC. The report has examined the lambda specifications provided by the vehicle manufacturers. It has …

Cleaninq up

Like any fledgling business, the carbon credit market too has teething troubles. But that should not stop it from growing In 2004, Roop Salotra undertook a project at srf's (Sri-ram Fibres) refrigerant plant in Bhiwadi, Rajasthan, that cost about Rsl2.5 crore. Under a scheme that generates 'carbon credits', it significantly …

Smog over Santiago

The high level of air pollution in Santiago, the Chilean capital, recently forced local authorities to declare an environment emergency. RELATED STORY • What it will take to bring Asia out of the smoke The pollution levels registered in at least two of the city's stations, which record particulate levels …

Environmental reform in the electricity sector - China and India

This article analyzes the challenges to effective environmental protection in the power sectors of China and India. Its analytical framework consists of identification of environmental policies and regulations affecting electricity generation, assessment of problems faced when implementing these policies and regulations, and finally recommendations for surmounting the barriers encountered.

Carbon case

Ten us states, with New York city and Washington dc, recently sued the us Environmental Protection Agency (epa) in a long-running court battle over the agency's new emission standards for power plants. The states claim epa has refused to regulate carbon dioxide emissions under the Clean Air Act, despite evidence …

Rude food

The Chinese government recently passed a law barring sewage or chemical waste discharges into agricultural areas, in an effort to improve food safety in the country. The law will take effect from November 1. It came in response to a series of food-safety incidents caused by air, soil or water …

Bytes

strongest glue: A bacterium that inhabits rivers, streams and human aqueducts uses nature's strongest glue to stay in one place, according to a study by scientists from Indiana University Bloomington and Brown University, both in the US. The scientists found a force of about 1 micronewton had to be applied …

Valuation of urban air pollution: a case study of Kanpur city in India

This study estimates the monetary benefits to individuals from health damages avoided as a result on reductions in air pollution in the urban industrial city of Kanpur in India. A notable feature of this study is that it uses data from weekly health-diaries collected for three seasons. For measuring monetary …

In short

a dam to protest: Opposing the ongoing preparations for the Polavaram dam project, tribal organisations of the state staged a day-long bandh in the state's Khammam district on March 24, 2006. The project would displace over 300,000 tribals from Khammam district and West and East Godavari districts in Andhra Pradesh …

Bytes

grapes benefit: Grape seed extract can prove beneficial to people with high blood pressure, according to a study conducted at the University of California Davis in the US. The study is the first human clinical trial to assess the effect of grape seed extract on people with metabolic syndrome, a …

Bhopal s new generation

Closer to Reality by We for Bhopal

Clean up act

High levels of air pollution in Johannesburg in winters and the rising exhaust emissions on its roads has prompted the city to adopt stringent air-quality measures. Atmospheric scientist Margot Richardson, who works in the city's department of development planning, transportation and environment, said that tests in Johannesburg during winter found …

Healthy step

A us federal appeals court recently overturned a clean-air regulation of the Environment Protection Agency (epa), ruling in favour of a coalition of states and environmental groups. The court said that changes proposed by the epa violated the Clean Air Act and that such revisions could only be authorised by …

Assessment of air quality after the implementation of Compressed Natural Gas (CNG) as fuel in public transport in Delhi, India

Public transport in Delhi was amended by the Supreme Court of India to use Compressed Natural Gas (CNG) instead of diesel or petrol. After the implementation of CNG since April 2001, Delhi has the highest fraction of CNG-run public vehicles in the world and most of them were introduced within …

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