Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Green justice: up in smoke?

FROM the look of things, the age of environmental justice has arrived: the courts everywhere in the country, especially in Gujarat and Delhi, are issuing orders for the closure of polluting units right, left and centre. The NGOs are exuberant. The workers are worried about losing their jobs. State governments …

Slow murder: the deadly story of vehicular pollution in India

This report discusses the issue of smog and smog makers with shocking revelations on vehicular pollution.

Agriculture crop residue burning in the Indo-Gangetic Plains A study using IRS-P6 AWiFS satellite data

This study provides an account of the agriculture crop residue burning in Punjab during wheat and rice crop growing periods. Indian Remote Sensing Satellite (IRS-P6) Advanced Wide Field Sensor (AWiFS) data during May and October 2005 have been analysed for estimating the extent of burnt areas and thereby greenhouse gas …

Air pollution and mortality benefits of the London Congestion Charge

To alleviate traffic congestion in Central London, the Mayor introduced the Congestion Charging Scheme (CCS) in February 2003. The researchers modelled the impact of the CCS on levels of traffic pollutants, life expectancy and socioeconomic inequalities. The CCS, a localised scheme targeting traffic congestion, appears to have modest benefit on …

Heavy metals in vegetables collected from production and market sites of a tropical urban area of India

Vegetables (Beta vulgaris L., Abelmoschus esculentus L. and Brassica oleracea L.) from the production and market sites of India were tested for Cu, Cd, Zn and Pb. At market sites, the mean concentration of Cu in cauliflower, and of Zn and Cd in both palak and cauliflower had exceeded the …

23rd International Conference on Modelling, Monitoring and Management of Air Pollution 01-03 June 2015, Spain

The conferences in this series have discussed and considered many important air pollution issues and the international nature of the attendees has ensured that the conference findings and conclusions enjoy a wide and rapid dissemination amongst the air pollution science and policy communities. Air pollution issues remain one of the …

International Conference on Renewable Energy and Environmental Engineering, 29-31 December 2014, Andhra Pradesh

The International Conference on Renewable Energy and Environmental Engineering shall focus on sustainable and renewable sources of Energy including Biomass, Solar energy, Wind energy, Tidal energy, Geo-thermal energy along with Environmental Engineering related topics like Water Pollution, Drinking Water Quality Control, Wastewater Treatment, Air Pollution and Air Quality Control, Land …

Season, sex, age, & education as modifiers of the effects of outdoor air pollution on daily mortality in Shanghai, China

Various factors can modify the health effects of outdoor air pollution. Prior findings about modifiers are inconsistent, and most of these studies were conducted in developed countries. The researchers conducted a time-series analysis to examine the modifying effect of season, sex, age, and education on the association between outdoor air …

The global impact of Indonesian forest fires

Uncontrolled fires across Indonesia burn large areas of peatland and create vast palls of smoke on an almost annual basis. This has devastating effect on wildlife, human health, the economy and climate. Yet, more than 10 years after the massive fires of 1997-98 grabbed international headlines, the problem is still …

Air pollution tolerance index of certain plants of Coimbatore-Ooty Highways, near I.T.I Area, Coimbatore, Tamil Nadu

Air pollution tolerance index of 27 species growing in the natural conditions adjacent to Coimbatore-Ooty highways were determined by calculating ascorbic acid, total chlorophyll, leaf extract pH and relative water content of leaf tissues.

International Conference on "Development, Biodiversity and Climate Change: Issues and Challenges", 03-05-October 2014, Chamba

The Climate Change-Biodiversity report of the IPPC (April, 2002) highlights that changing land use and land cover, soil and water/air pollution, diversion of water to intensively managed ecosystems and urban systems, habitat fragmentation, selective exploitation of species, the introduction of non-active species and stratospheric ozone depletion are the consequences of …

International Conference on "Development, Biodiversity and Climate Change: Issues and Challenges", 03-05 October 2014, Chamba, Himachal Pradesh, India

The Climate Change-Biodiversity report of the IPPC (April, 2002) highlights that changing land use and land cover, soil and water/air pollution, diversion of water to intensively managed ecosystems and urban systems, habitat fragmentation, selective exploitation of species, the introduction of non-active species and stratospheric ozone depletion are the consequences of …

Searing heat wave leads to deadly ozone pollution, says latest CSE analysis

Rising NOx levels and volatile gases in the air, primarily from vehicles, form the recipe for ozone finds this analysis by Centre for Science and Environment (CSE). Read this CSE analysis and find more in this package. Summer pollution curve takes an ugly turn as ground-level ozone, a highly reactive …

Euro IV norms in 13 cities, but rest of India left in the lurch

As BS IV norms for fuels and vehicles come into force from April 1, 2010 in 13 cities, the automobile industry is trying to delay implementation of BS III norms for vehicles in the rest of India. This is not acceptable, says CSE. By April 1, 2010, 13 cities in …

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 …

Proposal for emission controls on petrol two-stroke engine driven two and three wheelers and other issue

The Supreme Court in its order of 4.10.1999 called for suggestions regarding emissions control from two-wheelers and three-wheelers. The EPCA, in its earlier report of August, 1999, has made a brief recommendation that on scooters, which are high emitters of particulate, suggesting that the norms be tightened further, and the …

Report on standards for CNG vehicles and refilling stations

The current emission standards and safety measures for conversion of in-use vehicles to CNG are extremely lax. The emission standards only require the vehicles to meet the equivalent standards for diesel and petrol vehicles in force in the year of manufacture. This means that a pre-1996 vehicle after being converted …

CSE critique on CPCBs study of exhaust gases from different fuel-based vehicles for carbonyls & methane

CSE comments on CPCB's recently released Study of Exhaust Gases from Different Fuel-based Vehicles for Carbonyls and Methane Emissions. Urges CPCB to recall and urgently review this study to make it more scientifically tenable. CPCB has made a valuable effort to generate emissions data on unregulated toxic emissions as well …

Delhi is reeling under high levels of deadly ozone: CSE analysis

The latest CSE analysis finds that Delhi is witnessing an unprecedented ozone build-up. Ozone levels have exceeded the standards proposed by MoEF almost everyday in April. It recommends notification of the proposed air quality standards without any further delay to implement control strategies for ozone-forming gases. In April, ozone levels …

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