Clearing the air: Mission Possible

Air pollution is often considered the price that humans pay to enjoy the benefits of economic development. Industries, power plants, transportation all make modern living convenient, but they are also the key reasons for the high levels of particulate matter in the air. However, there is a growing realisation that we might be paying too high a price. The World Health Organization (WHO) estimates that air pollution kills about 7 million people every year and aggravates health conditions. Even more worrying for India, the country is home to 63 of the 100 most polluted cities in the world, according to a study released in March.

While air pollution remains a challenge, experience shows that there are solutions to reduce it. This demands strategy, planning, political will and coordination. There are several examples of cities that have historically tackled air pollution, including London and New York. There are recent examples, too, that highlight both the possibilities and difficulties.

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