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Keywords:

  • sustainable;
  • energy efficient;
  • smart;
  • PNIPAM;
  • bioinspired materials
Thumbnail image of graphical abstract

The revolutionary natural concept of sweating is successfully adapted as a sustainable and energyefficient cooling-technology for buildings in urban environments. On page 5352, W. J. Stark and co-workers present low-cost, reversibly thermoresponsive hydrogel-mats enabling an autonomous, bio-inspired sweating-like action on building surfaces with a surface temperature reduction of up to 25 °C under tropical solar irradiance.