Here is a roundup of the latest headlines from Germany on Monday, April 13, 2026: Grassroots initiatives are driving urban sustainability and climate resilience in Berlin, from community greening to low-traffic neighborhoods and smart city planning. DW meets CityLAB Berlin, NGO Changing Cities and paper planes e.V to see what sort of difference is being made, and how Berlin's future is being reimagined. While open data, climate dashboards and smart water systems help tackle heat, flooding and