In this episode, the Green Rapper heads to Redwood Creek in Marin County to talk water quality with Doug Kern. Doug is a scientist and teacher who is involved with restoration of the Golden Gate National Recreation Area. Doug shows us how to collect critical data about this precious resource. Find out how clean your tap water is compared with filtered water and water from a creek. Also, the Green Rapper finally gets confronted on his bathroom manners and then freestyles about it.

Here are the results of our water quality monitoring: