Patricia Espinosa

Mexican foreign minister nominated as UN climate chief

Former Mexican Foreign Minister Patricia Espinosa has been nominated to be the new U.N. climate chief, helping to bolster a 2015 Paris Agreement to shift the world economy from fossil fuels, officials said on Tuesday.

Christiana Figueres, a Costa Rican who is stepping down in July after a six-year term as head of the U.N. Climate Change Secretariat, wrote in a Tweet that U.N. Secretary-General Ban Ki-moon had nominated Espinosa to succeed her.

The Bonn-based Secretariat said the appointment needs . . .