Understanding Water Runoff: Gray vs. Green Filters 

Think about what happens when rain hits the land. What happens to the water as it falls to the ground? Imagine a rainstorm in a wooded area. Grass, leaves, soil, and vegetation act like a sponge, soaking up the water into the floor of the forest. Now imagine the same rainstorm on a road, or in a parking lot. Learn about the differences with CBF Captain and educator Nate Hesse.