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Li pledges measures in fight for clean air (2)

By Wu Wencong, Tang Yue and Zhang Chunyan (China Daily)

08:57, January 16, 2013

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Problems old and new

"Beijing suffers from both London's old problem (coal-fired power stations) and London's new pollution problem (traffic)," said Frank Kelly, professor of environmental health at London University's King's College.

"To improve air quality, the Chinese authorities will need to tackle both of these problems."

During London's four-day Great Smog, "people who set off in their cars in what should have been daylight had to abandon them and walk, while buses gave up and crawled back to their depots in a nose-to-tail convoy", the Daily Telegraph reported at the time.

On July 26, 1943, a pall of smoke and fumes descended on downtown Los Angeles, cutting visibility to three blocks.

Because the "gas attack" hit in the middle of a heat wave, the atmosphere was close to unbearable, leaving residents with severely sore throats and stinging eyes, according to reports in the Los Angeles Times.

In 1953, heavy November smog in New York killed between 170 and 260 people. Meanwhile, in 1954, similarly severe conditions resulted in the temporary closure of businesses and schools in Los Angeles for most of October.

The incidents triggered a series of strict, detailed laws and regulations designed to combat air pollution.

London’s great smog led to the enactment of the first piece of legislation to specifically target air pollution in the world, the Clean Air Act of 1956, which was later amended and extended by the 1968 Clean Air Act.

The acts regulated the burning of solid, liquid and gaseous fuels, and increased the height of new industrial chimneys, that had not been included in previous legislation.

The efforts made by the UK government and residents were finally rewarded when the number of foggy days in London was reduced from several dozen per annum to 15 in 1975, further improving to just five days per year in 1980.

Meanwhile, the US has improved air quality by instigating strict emission standards on power plants, factories and automobiles.

The heavy smog in Beijing during the past few days has not only prompted heated discussion about comparisons between the three Western cities and the Chinese capital, but also led the public to ask questions such as, “What can we learn from the experiences of London and LA in tackling pollution”. More directly people have asked, “Do we stand a chance of seeing the end of incidents such as these?”

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