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Fighting urban air pollution with microalgae

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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.

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
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