Kachemak Currents Kachemak Currents is a natural history program produced by the Center for Alaskan Coastal Studies. The program covers a wide variety of subjects, all sharing the common theme of the natural history of the Kachemak Bay area. Listen on KBBI Listen on Spotify Listen on Apple Podcasts Sign up for The Ridgeline Our quarterly publication shares stories from one of our favorite places in the world. You’ll learn about wildlife who call Kachemak Bay home, and you’ll be the first to learn about events and guided tours for your next visit.Sign up with your email address to receive quarterly publications of The Ridgeline, delivered straight to your inbox. Email Address Sign Up Thank you!Please check your inbox for a confirmation email. Welcome to The Ridgeline!