Nature-based solutions (Nbs) for flood mitigation: Recent UK case studies Ponnambalam Rameshwaran, James Blake, Emily Trill, John Robotham, James Bishop, Gareth Old, Alex O’Brien and Pete Scarlett E3S Web Conf., 599 (2024) 02004 Published online: 10 January 2025 DOI: 10.1051/e3sconf/202459902004