Ranchi, July 13: Mecon Limited, Ranchi, has come out with an eco-friendly invention

Atmadip Ray & Writankar Mukherjee KOLKATA

PICKING a positive from the ravages of a bandh is never easy. A bandh sets the country back by up to Rs 8,000 crore, says Aditya Birla Group chief economist Ajit Ranade. Inconvenience to the public is immeasurable with lives lost, utility services disrupted and critical events postponed or cancelled.

First the bad news: More than half of 130 Indian cities being monitored for air pollution are at critically polluted levels.

Now the good news: Air pollution in Indian cities has been proved to be reversible, with improvements in public transport or changing over to greener fuels, reducing pollution levels.

Acute exposure to ambient air pollution has been associated with cardiac outcomes, often within hours of exposure. The incidence of effects within the population depends on a number of factors, including genetic differences. Baja et al.

Seasonal variations and effects of ambient air pollutants on palak (Beta vulgaris L. var. Allgreen) plants were investigated with respect to root, shoot length, number of leaves plant-1, leaf area and root and shoot biomass at a suburban site situated in dry tropical area of India, experiencing elevated levels of ambient air pollutants.

Numerous studies have reported that traffic-related air pollution is associated with intrauterine growth restriction, low birth weight, and preterm birth, but studies to determine the most harmful pollutants and the most susceptible periods for exposure have been inconclusive. Aguilera et al.

This is the recent assessment by CAI-Asia of status and challenges of air quality management in Asia. Provides an overview of status of air quality and the ambient air quality standards adopted by developing Asian countries.

The present study deals with the impact of agriculture crop residue burning on aerosol properties during October 206 and 2007 over Punjab state, India using ground based measurements and multi-satellite data.

Revised National Ambient Air Quality Standards 2009 released by the Ministry of Environment and Forests. As per these norms, the residential & industrial areas will have the same standards. Includes limits for benzene, ozone, benzopyrene, arsenic, nickel and ammonia not covered in 1994.

New Delhi Even as airport officials and the Met department brainstormed over the weekend on whether the heavy smog that had settled over Delhi was due to the soot from the Jaipur IOC fire, Delhi pollution data accessed by Newsline before and after the fire, suggests the noxious haze was in the making much before the fire.

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