Even in times of uncertainty, cities and regions remain among the most powerful drivers of climate progress. At the Local Climate Action Summit during #LCAW2026, leaders including Mark Watts of c40cities, vpecresse of iledefrance, Mayor oleksandr.senkevich of Mykolaiv, Ukraine, and Ulf Jaeckel discussed what it takes to turn climate commitments into action - from mobilizing investment and strengthening resilience to advancing the clean energy transition.