122 - Biofuels, Seaweed, Algae and Gingers with Dr. Matilda Madden

Can we harvest energy from algae, seaweed and micro-bacteria? Germany already made a building powered by algae in its glass walls, so why can't we?! Con Chair of Zenkaikon, Mattie, returns to tell us about the food and energy source that the ocean has provided for billions of years.