Oxides Of Nitrogen (NOx)

Economic valuation of ecosystem services of selected interventions in agriculture in India

Agriculture is multi-functional, producing economic goods including food, feed, fibre, and fuel, as well as providing several intangible or non-tradable services to society free of cost. Non-tradable services, unlike economic goods, remain unpriced; as a result, farmers are not compensated monetarily for the benefits of the several non-tradable services they …

Obama pitches big anti-smog effort in environmental push

President Barack Obama pitched the first major environmental effort of his second term on Friday in a bid to slash smog-forming emissions from gasoline that have been linked to lung and heart ailments, setting up a fight with Republicans and the oil industry. The Environmental Protection Agency (EPA) proposed the …

Emissions from crop/biomass residue burning risk to atmospheric quality

Recent crop harvesting practices use mechanical harvesters in the rice and wheat farm system in India. These practices leave behind large quantities of crop residue in the field. However, there is no suitable method available for managing the crop residues. Crop residues / biomass burning are cheap and easiest method …

Eight member states breach EU air quality rules: data

Fewer European countries could face fines for breaching air pollution limits after recession slowed industrial activity and limits on sulfur emissions kicked in. Eight EU states, including France and Germany, are likely to have failed to meet EU emission standards in 2011, down from 12 countries in 2010, according to …

Pune air more polluted now: New data shows

The city has joined the list of the country's most polluted cities, with high level of particulate matter being detected in downtown Pune. A sure shot indication of how polluted its air is evident in the latest data of the System of Air Quality Forecasting and Research (SAFAR) that shows …

MoEF allows GVK to use diesel at Andhra gas-based power plant

The company has said that gas supplies from Reliance D-6 block was dwindling The Ministry of Environment and Forests (MoEF) has allowed GVK Group's gas-based power plant in East Godavari to use diesel as an alternate fuel after the company said gas supplies from Reliance D-6 block was dwindling. The …

‘Erratic weather and construction compound Mumbai's pollution woes

Mumbai's weather has gone from pleasantly cold to stiflingly hot in a matter of days, but the fog that continues to envelop the city is an indicator of the poison Mumbaikars have been inhaling. The weather, along with the city's congested roads and constant construction activity, has resulted in pollution …

Arizona sues U.S. EPA over coal power plant emissions

Arizona challenged in federal court U.S. environmental regulators efforts to force Arizona power companies to spend up to $1 billion to install pollution control equipment at three coal plants to reduce haze in the region's national parks. Arizona's Attorney General Tom Horne said in a statement last week the emission …

Air pollution in Mumbai rises 2-fold

MUMBAI: The heavy fog enveloping the city during early mornings is an ominous indicator of Mumbai's deteriorating air quality. Official readings since mid-January evidence that owing to cooler weather and bustle of vehicles and construction, the pollution levels have surpassed the standard limits by two-fold. According to Mumbai Pollution Control …

Air pollution levels soar

Suspended particulate matter found above permissible limit at 15 monitored locations Residents across the city on Sunday felt the effects of pollution, with Bhogi fires burning across the city. At all 15 locations monitored by the Tamil Nadu Pollution Control Board, pollution levels were found above the permissible limit. Virugambakkam …

As traditions are marked, air pollution levels soar

Suspended particulate matter found above permissible limit at 15 monitored locations Residents across the city on Sunday felt the effects of pollution, with Bhogi fires burning across the city. At all 15 locations monitored by the Tamil Nadu Pollution Control Board, pollution levels were found above the permissible limit. Virugambakkam …

Pilot study of plastic waste disposal through plasma pyrolysis technology

Plasma pyrolysis is one of the technologies which could be opted for disposal of plastic waste. In Plasma pyrolysis, high temperature is produced using plasma torch in oxygen starved environment to destroy plastic waste efficiently and in an eco-friendly manner. To find out its performance, Central Pollution Control Board (CPCB) …

Drive against vehicular emissions loses steam

After initial hype and hoopla in 2008, when harried vehicle owners had to queue up outside pollution check centres to get pollution under control (PUC) certificate to escape hefty penalties, these centres have now gone into hibernation. While the vehicles continue to spew poisonous gases on the state roads, it …

Move to double fine for polluting cars

If your car emits visible fumes, be ready to pay a penalty of Rs 2,000 — double the fine currently being imposed on such vehicles in the city. This is part of the Delhi environment department’s comprehensive action plan for monitoring air quality. The plan, which focuses on several targets …

Need curbs on the killer fuel: Greens

New Delhi: Since 2000, the levels of two key pollutants have risen sharply in Delhi’s air — respirable particulate matter (PM10) has gone up by 47% and nitrogen oxides (NOx) by 57%. Both are higher than safe levels and pose a danger to public health. They’re linked to respiratory diseases …

CSE welcomes Supreme Court nod to tax diesel cars

CSE has welcomed the SC proposal to tax diesel cars in Delhi. The proposal mooted in the court by amicus curae Harish Salve is based on report from Environment Pollution (Prevention & Control) Authority. Centre for Science and Environment (CSE) has welcomed a proposal to tax diesel cars. The proposal …

Mumbai kept noise, air pollution low this Diwali

Mumbaikars can breathe and hear easy. Air and noise pollution in the city this Diwali was significantly low. Data gathered by Maharashtra Pollution Control Board (MPCB) show noise levels across 45 stations in Mumbai, 10 in Navi Mumbai and five in Thane were the lowest in five years since 2008, …

Mitigation of nitrous oxide emissions from soils by Bradyrhizobium japonicum inoculation

Nitrous oxide (N2O) is a greenhouse gas that is also capable of destroying the ozone layer. Agricultural soil is the largest source of N2O. Soybean is a globally important leguminous crop, and hosts symbiotic nitrogen-fixing soil bacteria (rhizobia) that can also produce N2O. In agricultural soil, N2O is emitted from …

Smog thickens, to clear from Thursday

New Delhi: Belying expectations, the smog intensified in the capital on Tuesday afternoon and Met officials say that it will now only start clearing from Thursday. Centre for Science and Environment (CSE) has said that though Delhi is used to such winter smog, this year’s haze has been particularly severe …

Pollution level up, visibility dips

New Delhi: The city experienced shallow fog for the third consecutive day on Wednesday as still air and high moisture levels arising from Cyclone Nilam resulted in low visibility conditions almost through the day. Between 11am and 4pm, the average visibility was 600m at Palam and 500m at Safdarjung. The …

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