Hot in the City Cities are getting hotter. It's not just because it's summer, but over the last few years, they've actually gotten hotter. NPR's John Nielsen explains why.
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Hot in the City

Only Available in Archive Formats.
Hot in the City

Hot in the City

Hot in the City

Only Available in Archive Formats.

Cities are getting hotter. It's not just because it's summer, but over the last few years, they've actually gotten hotter. NPR's John Nielsen explains why.