The ‘City Respiration Skyscraper’ might look malicious with its spiky exterior, but its intentions are 100% benevolent. Designed by Czech architects Pavlína Doležalová and Jan Smékal, the spiraling tower is a 240 meter-high structure covered by air-cleaning algae. The designers envision that a network of these prickly scrapers could be strategically placed in the most polluted areas of a city to have its air cleaned in just a couple of weeks.

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Pavlína Doležalová, Jan Smékal, City Respiration Skyscraper, city respiration system, green skyscraper, green tower, green architecture, air cleaning building, green design, eco design, spiky skyscraper, sustainable design, air purification

The building’s outer cellular structure is comprised of a cluster of spiky concrete units inspired by sea sponges. This tower itself works as a chimney where polluted air can be gathered, filtered and oxygenated by the algae and a specialized water-sprayed system. We’ve seen other types of purifying skyscrapers, and the idea of having an office building or other structure do double duty as filters seems very promising.

Via Evolo