-The Times of India   NEW DELHI: Emissions of fine particulate matter or PM2.5 in Delhi have increased by 11.5% over the past four years, according to a GIS-based inventory prepared by Indian Institute of Tropical Meteorology (IITM), an autonomous body under the ministry of earth sciences. The transport sector appears to be the worst culprit as it's the biggest contributor to this jump followed by manufacturing industries and power plants. After...

-The Times of India NEW DELHI: Localized air pollution, posing an environmental and health challenge, has been linked to the presence of 'heat islands' in Delhi - pockets which are significantly warmer than their surroundings. A study of these localized 'hot spots', compiled after a controversy over a Delhi versus Beijing pollution scare, revealed that vehicular congestion in conjunction with highly built-up areas is creating worrying levels of pollution, affecting a significant...