India has the worst air pollution in the entire world, beating China, Pakistan, Nepal and Bangladesh, according to a study released during this year’s World Economic Forum in Davos. Of 132 countries whose environments were surveyed, India ranks dead last in the ‘Air (effects on human health)’ ranking. The annual study, the Environmental Performance Index, is conducted and written by environmental research centers at Yale and Columbia universities with assistance from...

Yesterday was the last day of the Auto Expo 2012 in New Delhi. It should have been the first day of ending our obsession with cars and instead, realise what this fascination is doing to our insides.  Over a decade ago, Delhi was a heroic city. It had successfully reduced air pollution by shifting buses and three-wheelers from diesel to CNG. But now, Delhi's residents are choking again. Recently, this paper...

Study commissioned by Supreme Court calls for output cut after finding extensive damage to biodiversity, air quality A Supreme Court commissioned study on iron ore mining in Karnataka’s Bellary district has suggested production of the steel-making raw material should be cut by as much as 40% to prevent environmental degradation. The environment impact assessment (EIA) report, prepared by the Indian Council of Forestry Research and Education (ICFRE), has recommended that the district...

30 per cent of cars sold last year were with diesel engines The growing gap between the prices of petrol and diesel has given a boost to the sale of diesel cars even as environmentalists cry foul over the public health impact due to the increasing use of diesel, which is also referred to as “dirty fuel” in Indian cities. While petrol consumers are paying market-linked prices of Rs. 66.84 per litre...

Winter in the Indian capital is a season of mists, minus the mellow fruitfulness. The air becomes charged with toxic emissions and particles that cannot disperse due to a meteorological phenomenon called "atmospheric inversion". According to B.P. Yadav, scientist with the meteorological department, atmospheric inversion is caused by a warming of the upper layers of the atmosphere, trapping colder air on the surface and, with it, vehicular and industrial emissions. "The immediate...