Latin American countries, regions and cities demonstrated clear ambition and leadership at the United Nations Climate Change Conference (COP23) held in Bonn, Germany. Mexico and Costa Rica joined 23 other countries in signing on to a new global coalition committed to phasing out coal and supporting clean power policies and investments, while restricting financing for coal plants. Buenos Aires, Caracas, Mexico City, Quito, Rio de Janeiro, and Santiago de Chile were among 25 global cities that committed to develop and implement more ambitious climate action plans before 2020.