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

Nearly 200 nations faced a Monday deadline to file what the U.N.'s climate chief calls 'among the most important policy ...

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

Ahead of this year's U.N. climate summit, the Brazilian host city of Belem is facing huge price hikes for lodgings. View on ...