Can we stop our cities getting hotter?

5 ways to reduce heat in our cities

Image courtesy of Keerati at FreeDigitalPhotos.net

The number of extreme heat days will rocket across the US, according to a new climate change report which predicts hundreds of cities experiencing month-long temperatures above 100F (38C) by 2050.
Roughly 80% of Americans live in cities, equating to around 262 million people. Cities are almost always hotter than the surrounding rural areas, thanks to the urban heat island effect.
These heat islands are caused by numerous factors, such as trapped waste heat, concrete structures and pavements absorbing the sun and tall buildings blocking the wind.
All of these components contribute to air temperatures in cities that can be up to 22F hotter than neighbouring regions with less urban development.
A warming planetary climate means temperatures in heat island areas will continue to rise, with desert states such as Texas, Nevada and Arizona particularly affected.

Read how city planners, architects and construction engineers are helping make cities cooler in this article from the BBC

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