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Mr Trash Wheel
In 2014 Josh Kellet came up with an invention known as Mr. Trash wheel, that makes Baltimore’s inner harbor clean. It removes trashes of wastes as it moves through Jones Falls river in Baltimore’s inner harbor. Mr. Trash makes the water clean all through the year and makes the resident understand the impact of their actions.
The main goal of the project is to make the inner harbor clean for fishing and swimming by 2020.
https://www.atlasobscura.com/places/mr-trash-wheel-baltimore-harbor
