U20 conveners

C40 connects 96 of the world’s largest and most influential cities, representing 700+ million citizens and one quarter of the global economy. Member cities use a science-based approach and exchange of best practices to take the urgent and effective action needed to confront the climate crisis and keep global heating below 1.5°C, aiming to collectively halve greenhouse gas emissions by 2030. C40 mayors are committed to increasing resilience, cleaning the air we breathe and taking inclusive climate action to create a healthier and more sustainable future.

UCLG updated logo

UCLG is the world organization of local and regional governments and their associations, representing and defending their interests on the world stage. UCLG’s membership serves 70% of the world’s population and is present in all world regions: Africa, Asia Pacific, Europe, Eurasia, Middle East-West Asia, Latin America and North America - organised in seven continental sections, a metropolitan section and a regional forum. This network covers more than 240,000 cities, regions and metropolises and more than 175 local and regional government associations present in 140 countries. UCLG includes among its main areas of political interest local democracy, climate change and environmental protection, the achievement of Sustainable Development Goals, local finance, urban development and city diplomacy for peacebuilding.