Sustainable seaweed cultivation with saltwater flows Properties and use of magnesium chloride in food Increase alkalinity in a cost efficient way Emission reductions due to struvite formation in manure Energy transition: pioneering with hydrogen Magnesium for phosphate recovery Energy transition: successful greengas intake Low-sodium food with alternative salts Higher yield and less waste from pulp production Closing the phosphorus cycle Calcium in fruit growing Case study: wastewater treatment at The Harnaschpolder Protection from cardiovascular disease by Magnesium Magnesium enriches agriculture Optimising wastewater treatment