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Five Ways to Make Parched Cities Cooler

Parched cities should do more to get wetter and cooler, according to a report published on Tuesday by Arup, a design and engineering consultancy. Just over a third of the world's land surface is classified as arid, meaning it has a natural lack of fresh water or rain. But this area is set to increase, the report said, as climate change causes more variable weather, such as droughts and extreme heat, along with greater migration to cities. As the global population expands and the...

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