After the well-received first edition of Salinity Magazine, a second issue has now been published, focusing on the challenge of groundwater salinisation. The magazine has been developed under the Saline Water & Food Systems (SWFS) partnership, coordinated by the Netherlands Water Partnership (NWP) and the Netherlands Food Partnership (NFP). This edition focuses on the increasing challenge of groundwater salinisation – a complex, underground issue threatening water and food security worldwide.