Heading to the beach this summer? Before you go, chat live with NRDC's Nancy Stoner on May 21 at 2:30 p.m. Eastern about beachwater pollution and tips for protecting yourself and your family from waterborne illnesses. Nancy heads the team that produces NRDC's annual Testing the Waters report, which surveys water quality and public notification policies at U.S. beaches. She'll discuss the sources of beachwater pollution and ways that you can avoid and help prevent it.