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Discovery
Summertime: Hot Time in the City

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Photo of sun radiating over highway filled with cars in traffic in Phoenix

In summer, extreme heat events are on the way in cities like Phoenix.

Credit: NSF Central Arizona-Phoenix LTER Site


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Illustration showing how temperatur is higher over urban envrionments compared to rural

The "urban heat island effect" raises temperatures in cities compared to surrounding areas.

Credit: NASA


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People ine Sherman Park, in a low-income Phoenix neighborhood, with very few trees

Sherman Park, part of a low-income Phoenix neighborhood in need of green spaces.

Credit: Sharon Harlan


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Map of vegetation (red), soil (brown, tan), built materials (white) in a south Phoenix neighborhood.

Vegetation (red), soil (brown, tan) and built materials (white) in a south Phoenix neighborhood.

Credit: NASA


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Researchers Chris Martin, Darrel Jenerette (background) conducting field work in Phoenix.

Researchers Chris Martin and Darrel Jenerette (background) conducting field work in Phoenix.

Credit: Sharon Harlan


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Heat map of Chicago skyline

Across the nation and around the world, urban areas are heating up.

Credit: Dustin Phillips/Creative Commons


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