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Energy & Climate

Belgrade's Liquid Trees Clean Air Innovatively

19 April 2026 · 1 sources

Belgrade has pioneered the use of 'liquid trees'—photobioreactors filled with microalgae that absorb CO2 and produce oxygen—offering a green solution where traditional trees can't thrive. Developed by the University of Belgrade and operational since 2021, these devices also provide solar-powered phone charging stations, blending environmental benefits with urban utility. With urban space scarce and pollution high, this innovation could reshape how cities tackle air quality. Next steps include expanding deployment and refining the technology for broader urban adoption.

Sources (1)

Belgrado prueba ‘árboles líquidos’: recipientes con algas que absorben CO2 y dan enchufes para cargar móviles elDiario.es 19 Apr 2026, 09:01

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