Spain's caretaker Prime Minister Pedro Sanchez, right, listens the speech of Chair of the IPCC Hoesung Lee, left, during the COP25 climate talks summit in Madrid, Monday Dec. 2, 2019. The chair of a two-week climate summit attended by nearly 200 countries warned at its opening Monday that those refusing to adjust to the planet's rising temperatures "will be on the wrong side of history." (AP Photo/Manu Fernandez)