Earth Hour City Challenge 2013

Under the auspices of the Secretary General of the United Nations Conference on Sustainable Development (Rio+20), a major press conference was held on 22 June 2012 to announce commitments registered at Rio+20. The Mexico City Pact and carbonn Cities Climate Registry (cCCR) were showcased as one of the select sample of registered commitments by a range of stakeholders.
“Cities are committed to measurable, reportable, verifiable climate action that the world can count on.” said Marcelo Ebrard, Mayor of Mexico City, Mexico, and Chair of World Mayors Council on Climate Change at the press conference.