NEW season of the Environmental Series EarthFocus premiering scientists from Southall Environmental Associates airs this week on PBS SoCal! Click HERE to watch “Examining the Impact of Sound on Marine Life” beginning Wednesday April 29th at 7:30PM PST on PBS SoCal. Season 7 Episode 2 will feature our very own team of scientists studying how noise may have potential impacts on marine mammals living off the coast of Catalina Island.