Shaving off extra pounds might help asthmatic kids prevent flareups of the disease, according to a study that found obese children have a more difficult time controlling their symptoms.

Mr. Obama left open the possibility the rule could be tightened in 2013.

President Obama abandoned a contentious new air pollution rule on Friday, buoying business interests that had lobbied heavily against it, angering environmentalists who called the move a betrayal a

- Cross-continental survey raises deeper air pollution fears than suspected

Ten years after the city’s public transport switched to CNG, air pollution has again become a major threat to public health in Delhi, say environmentalists.

During the begining of the monsoon heavy winds cause dust to fly from huge mounds which comprise waste from the gold mines which has been accumulated over a number of years.

People living in Ohio, Pennsylvania and Florida are most at risk in the United States from toxic emissions spewing from coal and oil-fired power plants, two leading American environmental groups said in a report on Wednesday.

Electricity generation and chemical processing were the top culprits for dangerous emissions, which can lead to or worsen ailments such as asthma and cancer, according to

Loose earth and pebbles left over from recent construction of roads in the town and persisting hot and dry weather often make air dust-laden, causing throat, eye and nose infections.

Modern medical treatment has helped a majority of asthma patients to live a perfectly normal and healthy life, said the head of the department of Chest Medicine, Jinnah Postgraduate Medical Centre, on Wednesday.

He was speaking at a seminar organised by the department of Chest Medicine in JPMC in collaboration with the Pakistan Chest Society to mark World Asthma Day 2011.

The programme was l