By 2050, 75 per cent of the world's population will be living in cities – a highly challenging development for urban areas. Climate change and scarce natural resources have to be addressed, but opportunities exist to improve energy efficiency and promote low-carbon growth. adelphi advises implementing agencies such as the GIZ on strategy development and tailored capacity building programmes for cities and municipalities in Europe and abroad. Public exhibitions – during the European Mobility Week for instance – showcase innovative approaches in urban mobility and participatory decision-making.