C40 Cities

Around the world, C40 Cities connects 97 of the world’s greatest cities to take bold climate action, leading the way towards a healthier and more sustainable future. Representing 700+ million citizens and one quarter of the global economy, mayors of the C40 cities are committed to delivering on the most ambitious goals of the Paris Agreement at the local level, as well as to cleaning the air we breathe.
C40 Cities Climate Leadership Group, Inc. is a non-profit organization and is tax-exempt under section 501(c)(3) of the U.S. Internal Revenue Code.