International report

Fighting urban air pollution with microalgae

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The carbon sink has been installed in the 14th district of Paris.
The carbon sink has been installed in the 14th district of Paris. © Fermentalg

There's a new way to fight urban air pollution using the process of photosynthesis. A display column installed in a busy part of Paris is converting the greenhouse gas carbon dioxide into oxygen using microalgae. RFI's Dhananjay Khadilkar has this report.