The significance of ponds has long been underestimated and they lie largely outside regulatory systems. However, thanks to their abundance, heterogeneity, exceptional biodiversity inherent naturalness and biogeochemical potency, ponds play a crucial role in catchments, landscapes, and potentially at continental scale which is completely out of proportion to their small size. The main objective of PONDERFUL is to provide data and guidance to make more and better use of ponds and pondscapes as Nature-based Solutions for climate change mitigation and adaptation, Biodiversity conservation and delivery of Ecosystem Services