Why China is tunneling a mind-boggling 800 miles in 2 years

Beijing smog Beijing smog

Would it surprise you to discover that China is planning to add 800 miles to its subway system over the next two years? That’s the distance equivalent to building a network from Dallas to Chicago in less time than the U.S. Congress can resolve a budget!

In 2015, when the infrastructure build-out is complete, China’s subway track alone will be a mind-boggling 1,900 miles, according to JPMorgan.

The Asian giant has been in the midst of constructing the world’s largest transportation system, laying mile after mile of high-speed rail and subway track. According to the World Metro Database, Beijing and Shanghai currently have the longest metro and subway systems, with about 275 miles each. The city of Guangzhou in China also falls in the top 10, with 144 miles of rail, beating Paris’ network length of 135 miles.

This ambitious program is part of the pragmatic solution to help 1.3 billion residents move around the country efficiently and reduce the increasing problem of air pollution because of car emissions in big cities, including Beijing.

The circulating reports and photos of Beijing’s smog have recently become a dark cloud hanging over the country’s remarkable achievements, but it’s not a new issue. In the winter, smog conditions can seem much worse. Pollutants tend to linger when the air is heavier and colder compared to lighter, warmer air during the summer. In addition, the city is located near the Gobi Desert and has always been subject to sand and dirt storms, even back in the days when it was called Peking.

The U.S. experienced similar sand storms during the Dust Bowl in the 1930s, which caused catastrophic ecological and agricultural damage to the American prairies and made the economic impact of the Great Depression much worse. Sixty-five percent of the topsoil was blown away and millions of people were left homeless.

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