Pawel Rymsza proposes domed cities with algae lakes "to make big reductions in atmospheric carbon"

Pawel Rymsza's proposal to house humanity in a network of ring-shaped structures built around huge algae-rich lakes is the first of 15 visionary projects selected as finalists for Dezeen's Redesign the World competition powered by Twinmotion.
Called Carbon Neutral Rings, Rymsza's proposal is to create a network of enclosed carbon-neutral cities for humanity to live in.
Each ring is built around a huge reservoir of algae, which would be used to filter the air inside the rings and act as a carbon