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By William Moomaw, Professor Emeritus of International Environmental Policy, Tufts University and Asaf Tzachor, Doctoral Candidate, Science, Technology and Policy, UCL. Microalgae (shown here, _Haematococcus_) convert water and carbon dioxide to oxygen and nutritious biomass in the presence of light. Algaennovation, CC BY Our planet faces a growing food crisis. According to the United Nations, more…
