Climate change strikes again, this time in cities across the globe. Between global warming and the amplifying effects of asphalt and concrete, by the turn of the century temperatures of urban centers can rise by 15 degrees Fahrenheit, according to experts.

Here’s what they’re saying:

Under a dual onslaught of global warming and localised urban heating, some of the world’s cities may be as much as 8C (14.4F) warmer by 2100, researchers have warned.

Such a temperature spike would have dire consequences for the health of city-dwellers, rob companies and industries of able workers, and put pressure on already strained natural resources such as water.

The projection is based on the worst-case scenario assumption that emissions of greenhouse gases continue to rise throughout the 21st century. …  The rest would be due to the so-called “urban heat island” effect, which occurs when parks, dams and lakes, which have a cooling effect, are replaced by concrete and asphalt – making cities warmer than their surrounds, the researchers said.

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