Illustration (IMAGE) Royal Netherlands Institute for Sea Research Caption An overview of steps to implement novel nature-based flood protection with marshes between double dikes. Illustration by: Jeroen Helmer/ARK Nature. Credit copyright: Nature Sustainability Usage Restrictions copyright: Nature Sustainability License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.