UN says record 155 countries to sign climate agreement

In this March 17, 2016 photo, storm clouds build prior to the arrival of a thunderstorm as Jeff Warren of Auburn, Maine, heads for shore on his paddleboard on Lower Range Pond, Thursday, March 17, 2016, in Poland, Maine. A new study out of Yale says the world may warm 1 degree more by 2100 than scientists estimate. The study says that’s because computer simulations aren'’t quite getting how much liquid is in clouds and underestimate how much heat is being trapped that way. (AP)

UNITED NATIONS (AP) — The United Nations says a record 155 countries will sign the landmark agreement to tackle climate change at a ceremony at U.N. headquarters on April 22.

U.N. spokesman Farhan Haq said Friday that five countries, Barbados, Belize, Tuvalu, Maldives and Samoa will not only sign but ratify the agreement reached in Paris in December.

Secretary-General Ban Ki-moon, French President Francois Hollande and French Environment Minister Segolene Royal, who heads global climate negotiations, have invited leaders from all 193 U.N. member states to the event The U.N. says more than 60 heads of state and government plan to attend.

The previous opening day record of 119 signatures is held by the Law of the Sea treaty in 1994.