Proceedings of the European Conference "Nature-based Solutions to Climate Change in Urban Areas and their Rural Surroundings", Bonn, Germany, 17-19 November 2015 / organised by the German Federal Agency for Nature Conservation (BfN) in co-operation with the European Network of Heads of Nature Conservation Agencies (ENCA) and the Helmholtz-Centre for Environmental Research - UFZ/German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig ; editors: Nadja Kabisch, Jutta Stadler, Simon Duffield, Horst Korn, Aletta Bonn