In CGTN's "Global Mayors Dialogue: Ideas in City Governance," city leaders discuss pressing global challenges and their innovative urban solutions. Andreas Grammatikogiannis, the deputy mayor of Athens, highlights efforts in combating climate change, harnessing AI for real-time citizen support and promoting sustainable mobility through an inclusive and affordable bike-sharing program. Meanwhile, Maria Sanchez-Cervera Valdes, the general coordinator at Madrid's mayor's office, emphasizes the pivotal role of cities in shaping the future. Madrid is addressing housing shortages with public rental housing projects strategically integrated with efficient transport systems, ensuring accessibility for low-income groups.