UN chief: We need fewer loopholes in deals and more cash to fight climate change

United Nations climate chief Simon Stiell has called for fewer loopholes and more investment (AP Photo/Kamran Jebreili, File)

To keep Earth from overheating too much, the nations of the world need to put fewer loopholes in climate agreements and far more money – trillions of dollars a year – into financial help for poor nations, the United Nations climate chief said on Friday.

In an unusual and blunt lecture at a university in Baku, Azerbaijan, the host city of upcoming international climate negotiations later this year, United Nations climate change executive secretary Simon Stiell called gains made in the past not nearly enough.