Last month, I returned to Baltimore for the National Ocean Exploration Forum. While there, I paid a visit to my old friend, Mr. Trashwheel.

The Inner Harbor Water Wheel is in its second year of operation, cleaning up the Chesapeake Bay to the tune of up to 50,000 pounds of trash per day. I have written about this cool piece of engineering and ingenuity several times.

Charm in the fall.

So why do I keep writing and revisiting this project?

It’s working.

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