Architecture From Algae

"The [algae] pontoons would attract carbon dioxide from cars and other vehicles and use them in bio-fuel production, and the areas containing the algae would be turned into a vast urban park that included wetlands, aquatic and avian habitats and recreational facilities like bike lanes and promenades. The proposal included a plan for implementation as a 'algal-architecture' corridor that follows the Brooklyn-Battery Tunnel between Brooklyn, Governors Island, and Manhattan, along a route that the city's famous development czar Robert Moses proposed for cars in 1936."