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Summertime: Hot Time in the City

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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