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A sign on a concrete building reading "United States Environmental Protection Agency."
Solar panels and wind turbones in a grassy field with mountains in background.
Brown wooden gavel on a bed of $100 dollar bills.
The U.S. Congress building in Washington DC with a fountain in the foreground during daytime.
Paris beltway to swap traffic lanes for green space

Paris beltway to swap traffic lanes for green space

Mayor Anne Hidalgo says the plan would turn its Boulevard Périphérique “from a grey belt to a green belt.” But the idea still falls short of environmentalists’ hopes.
How Paris is waging a war on noise pollution

How Paris is waging a war on noise pollution

To combat the ill effects of urban noise pollution, Paris is deploying automated sensors and cracking down on the loudest vehicles.  
Utah dreams up a different kind of '15-minute city'

Utah dreams up a different kind of '15-minute city'

A planned community set to rise in a suburb near Salt Lake City could feature a network of shared mobility hubs and walking trails — plus tens of thousands of parking spots. 
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