When clean water will be more expensive than petrol, when a kilo of maize will be more valuable than a kilo of gold. With the current pollution levels people will be buying bottled air at a premium. Air cans complete with a small gas mask just like you buy Dasani water. In Shanghai and other industrialized cities in China the air quality is so poor that sometime viability is reduced to juts a few feet.
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Shanghai on good day
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Bottle Air
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