The article mentions Baltimore's efforts to remove trash from the inner harbor. Here's how they're doing it: http://baltimorewaterfront.com/healthy-harbor/water

The article mentions Baltimore's efforts to remove trash from the inner harbor. Here's how they're doing it: http://baltimorewaterfront.com/healthy-harbor/water-wheel/ http://baltimorewaterfront.com/healthy-harbor/water-wheel/ Here's a pretty impressive photo if it in action: https://twitter.com/MrTrashWheel https://twitter.com/MrTrashWheel