Rooftop rainwater sprinkler systems could help cool warming cities, study says

Mongabay
Sep 18, 2026, 10:16 am73 ptsTrending
It’s a hot summer day in the city. The sun beats down relentlessly on asphalt and concrete, while tall buildings mercilessly snuff out any hope of a cooling breeze, intensifying urban heat island impacts. Urbanites around the world know the feeling well. And with an increasing number of potentially deadly…

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