Articles on Urban heat islands

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Dean Lewins/AAP

Why Western Sydney is feeling the heat from climate change more than the rest of the city

Very hot days in Western Sydney are typically 5 degrees hotter than parts of the city close to the coast and are becoming more common, but only in the west. Four climate drivers explain the difference.
Amsterdam, Netherlands. Planting trees in urban areas can reduce the impacts of urban heat islands. Dutch_Photos/Shutterstock

Planting more trees could reduce premature heat‑related deaths in European cities by a third – new research

In 2015, 6,700 premature deaths were caused by urban heat – this can be reduced by a third by planting more trees.
Concrete and asphalt roads, and other built materials readily absorb, store and release heat, raising city temperatures, a phenomenon called the urban heat island. (Pixabay)

Small green spaces can help keep cities cool during heat waves

During heatwaves, the highest temperatures are often found in urbanized areas. Small green spaces are often overlooked as a way to cool urban areas.
Flooding is seen in the Manayunk section of Philadelphia after the remnants of Hurricane Ida, Sept. 2, 2021. AP Photo/Matt Rourke

Cities worldwide aren’t adapting to climate change quickly enough

More than half of the world’s population lives in cities, and that share is growing. Rapid climate change could make many cities unlivable in the coming decades without major investments to adapt.
Rising global temperatures are increasing heat risks for outdoor workers and the urban poor. Ahmad Al-Rubaye/AFP via Getty Images

Dangerous urban heat exposure has tripled since the 1980s, with the poor most at risk

Hot, humid population centers are becoming epicenters of heat risk as climate changes worsens. It’s calling into question the conventional wisdom that urbanization uniformly reduces poverty.
Shutterstock

Cities could get more than 4°C hotter by 2100. To keep cool in Australia, we urgently need a national planning policy

Cities occupy just 3% of the Earth’s surface, yet more than half the world’s population live in urban environments. We need nation-wide plans to keep our cities cool so no one gets left behind.

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