Ban Ki-moon

April 23, 2016, 5am PDT
On Earth Day, NPR looked at the intersection of the Paris Climate Agreement, which Secretary of State John Kerry signed at the U.N. on Friday, and President Obama's Clean Power Plan which has been given a pause by the Supreme Court.
NPR
February 8, 2014, 7am PST
The former three-term New York City mayor, already president of the C40 Cities Climate Leadership Group has been appointed to a special United Nations envoy position on cities and climate change by Secretary-General Ban Ki-moon.
Reuters