BROADCASTS.com

This week hydrogeologist Steve Baker talks PFAS, Chromium 6, and brings us an update on NID's water conveyance issues. Science correspondent Al Stahler takes a look at a chemical element we hold very dear in a special Earth Day edition of Al Explores. Marc Cuniberti's Money Matters explores the connection between markets and presidential elections. Shirley Freriks brings us a commentary about how Nevada City plans to celebrate Earth Day. We close, as always, with an essay by Molly Fisk.\xa0