The Global Covenant of Mayors for Climate & Energy (GCoM) is a significant international alliance involving over 12,500 cities across 139 countries, aimed at addressing climate change. This coalition represents more than 1.2 billion people and is the largest global network for city climate leadership. GCoM supports cities in crafting and executing actionable climate and energy plans, focusing on mitigation, adaptation, and sustainable energy access. Participating cities are dedicated to reducing greenhouse gas emissions and developing integrated climate action strategies. Co-chaired by prominent leaders, GCoM collaborates with various city networks to offer technical support and training. Its initiatives promote innovative solutions and aim to help cities achieve the objectives of the Paris Agreement, fostering a sustainable and climate-resilient future.