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How Paris uses the Seine to cool thousands of buildings without AC | The Optimist Daily
Paris’s underground district cooling network uses the Seine to chill buildings across the city, with plans to expand to 3,000 structures by 2042.
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Paris curbed cars—and cleared the air: what 20 years of bold green policy achieved | The Optimist Daily
After two decades of reducing car traffic and reclaiming public space, Paris has dramatically improved its air quality.
