This is "Mr.Trash Wheel" – a water wheel in Baltimore that removes rubbish from the river. The water wheel is powered by the river's current, which lifts rubbish and debris from the water and ...

A community group in Derby wants to install a specialist turbine using a river's energy to power nearby businesses. Darley ...

Panama's water wheel trash collector keeps plastic at bay A trash-collecting machine powered by a water wheel and solar panels has prevented hundreds of tons of plastic and other garbage from ...