Example future food farming system (image) University of Cambridge Share Print E-Mail Caption State-of-the-art, enclosed and modular photo-bioreactors (PBR) to produce chlorella and spirulina algae. Credit Image courtesy of Vaxa, Iceland. Usage Restrictions With credit as above Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.