Iceland could help address Northern Europe’s food security issues with the scaling-up of its industrial production of Spirulina — an alternative protein source that is nutritious, sustainable and risk resilient. Under the most ambitious of estimations, Iceland could be protein self-sufficient and capable of feeding more than six million Europeans every year, a new feasibility study suggests.Iceland could help address Northern Europe’s food security issues with the scaling-up of its industrial production of Spirulina — an alternative protein source that is nutritious, sustainable and risk resilient. Under the most ambitious of estimations, Iceland could be protein self-sufficient and capable of feeding more than six million Europeans every year, a new feasibility study suggests.