Mega cities produce mega-mounds of trash. The growing industrial conurbations of Asia, in particular, are having difficulty coping with the masses of refuse resulting from booming consumerism. The greater metropolitan area of Seoul, for example, comprises 20 million people producing around 12,000 tons of trash every day. The city has resolved to tackle the problem head-on. South Korea is currently pumping 28 billion euros into what is known as the “Green Deal” – a program of projects focusing on sustainability and green energy generation. One of the key projects generates power as it recycles trash. That enabled the authorities to reduce its use of crude oil by 1.3 million barrels last year.
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