Nearly 200 nations faced a Monday deadline to file what the United Nations’ climate chief calls “among the most important ...

Simon Stiell, executive secretary of the U.N. Framework Convention on Climate Change, laid out priorities ahead of annual climate talks in November, and encouraged countries to prepare stronger ...

Nearly all nations missed a UN deadline Monday to submit new targets for slashing carbon emissions, including major economies ...

UN climate chief Simon Stiell has called this latest round of national pledges "the most important policy documents of this century". Yet just a handful of major polluters handed in upgraded ...

In a 6 February speech, UN climate chief Simon Stiell said the “vast majority of countries have indicated that they [will] submit new plans this year” and “taking a bit more time to ensure these plans ...

U.N. Climate Secretary Simon Stiell said that more than 170 countries have told his office they are working on their national plans, so he’s not worried. He emphasized quality over timeliness.