This page catalogs 225 sustainability projects based in Germany on Keys for Tomorrow. Examples from the directory include Rock-Cell (building materials from captured CO2), AZuR (sustainable tire recycling), constellr (thermal intelligence for climate resilience), and Live Energies (renewable energy consulting). How many sustainability projects from Germany are on Keys for Tomorrow? Keys for Tomorrow currently catalogues 225 sustainability and impact-driven projects based in Germany, spanning categories such as clean energy, sustainable agriculture, waste reduction, and social enterprise.