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Vincent Callebaut proposes a green, food-producing footbridge for Paris

Vincent Callebaut Architectures has unveiled fantastical designs for the Green Line, a futuristic “inhabited footbridge” in Paris that would run on renewable energy, recycle its own waste and fight urban air pollution all while producing 87,500 kilograms of fresh fruits and vegetables every year. The ambitious proposal was created as an entry in the Reinventing Cities – C40 international design competition hosted by Ceetrus. The Green Line design spans the River Seine between the 12th and 13th arrondissements in Paris and aims to better connect the Bercy Village to the Masséna district.

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Conceived as an antidote to urban pollution, the carbon-neutral Green Line seeks to reinvigorate the city with its nature-inspired design. In addition to a lush planting plan that includes urban agriculture and carbon-sequestering woody plants, the garden footbridge also features an eye-catching, double-arched structure that takes inspiration from a fish skeleton. The biomimetic bridge is engineered for phased construction so as to minimize disturbance to local residents.

Related: Vincent Callebaut unveils bioclimatic LEED-Gold timber tower

aerial rendering of green bridge over the River Seine

The Green Line features a variety of garden types; however, its primary focus is on an edible landscape with participatory greenhouses on its panoramic rooftop. The scheme proposes a total of 3,500 square meters of vegetable gardens and orchards — with edible, native species — to help raise awareness of eco-gastronomy and the Slow Food movement. The fruits and vegetables grown on the footbridge would be harvested for use in restaurants and classrooms on the bridge. 

blueprint of bridge powered with renewable energy

Following principles of self-sufficiency, the footbridge proposal features 3,000 square meters of hybrid rooftop solar panels to power the facilities and restaurants on the bridge; 56 axial magnetically levitated wind turbines that power the bridge’s lighting fixtures; and a biogas plant integrated in the cells of the bridge that converts the non-edible parts of plants and organic waste into heat and electrical energy. 

+ Vincent Callebaut Architectures

Images via Vincent Callebaut Architectures

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