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Summertime: Hot Time in the City
In summer, extreme heat events are on the way in cities like Phoenix.
Credit: NSF Central Arizona-Phoenix LTER Site
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The "urban heat island effect" raises temperatures in cities compared to surrounding areas.
Credit: NASA
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Sherman Park, part of a low-income Phoenix neighborhood in need of green spaces.
Credit: Sharon Harlan
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Vegetation (red), soil (brown, tan) and built materials (white) in a south Phoenix neighborhood.
Credit: NASA
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Researchers Chris Martin and Darrel Jenerette (background) conducting field work in Phoenix.
Credit: Sharon Harlan
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Across the nation and around the world, urban areas are heating up.
Credit: Dustin Phillips/Creative Commons
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