Marine algae could help feed the world

Oct 25, 2017

Dr Carole Llewellyn, Associate Professor of Applied Aquatic Bioscience at Swansea University, examines tubes growing microalgae under artificial lights, in Swansea, Britain February 9, 2017. Researchers say the UV-blocking ability of algae can be amplified under lab conditions, and could eventually lead to a completely natural sunscreen.REUTERS/Matthew Stock/Files

Microalgae can be used as a protein supplement that might eventually become an alternative to meat Image: REUTERS/Matthew Stock

William Moomaw

Professor Emeritus, International Environmental Policy, Tufts University

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Land and water requirements for the production of essential amino acids from various sources: freshwater usage and annual land productivity.

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