SAVING ENERGY

Passive cooling in an urban setting

Radiative cooling can be used to reduce building air-conditioning requirements. In urban environments, nearby buildings partially block access to the sky, which hinders radiative cooling, but a thermal beam-shaping design can help solve this problem.

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Fig. 1: Fisheye view from the roof of the Engineering Center at the University of Colorado Boulder.

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Correspondence to Xiaobo Yin.

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Yang, R., Yin, X. Passive cooling in an urban setting. Nat Sustain 2, 663–664 (2019). https://doi.org/10.1038/s41893-019-0358-3

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