Happy World Soil Day!

A "sediment beach" at Bladensburg Waterfront Park that appears during low tide on the Anacostia River.

Soil is one of our most basic natural resources; it is the sustenance of biodiversity and our food.  And, without biodiversity, there is no clean water!  As you all know, the loss of top soil caused by water erosion -- caused by poor land management -- is one of the main reasons why the Anacostia River is in the shape it's in.  Check out this cool video, and more related videos can be found here.