Rising sea levels set to displace 45 million people in Hong Kong, Shanghai and Tianjin if earth warms 4 degrees from climate change

Rising sea levels will swallow up land if nothing is done to stop it, study by US-based group says

Workers walk past a billboard display showing a scene of Central Business District, as pollutant haze shrouds the skyline of Beijing. China is the world's biggest source of climate-changing gases. Photo: AP

Some 45 million people in Hong Kong, Shanghai and Tianjin will be displaced as the cities slip under the waves when global temperatures rise 4 degrees Celsius if nothing is done to curb climate change, according to a study released on Monday.

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