Mehta filed a public interest litigation petition, there has been a flurry of activity to combat air pollution beginning in October and then a long lull. Los Angeles established its air pollution control programme in 1947 and currently remains among the worst in the U.S., both for PM 2.5 and ozone. The National Green Tribunal (NGT) began the process of taking a new look at an old problem by asking the government to list the causes of air pollution. A review of Beijing’s approach to controlling air pollution by the United Nations Environment Programme provides useful lessons. It begins with end-of-pipe air pollution control, gradually moving to integrated measures targeting primary pollutants, with the government playing the main role.

Source: The Hindu November 20, 2024 22:41 UTC