Nearly every nation on the planet missed a UN deadline Monday to submit new targets for reducing their carbon emissions. Global emissions need to almost halve by the end of the decade to limit

The Nations' climate chief calls the nations' plans “among the most important policy documents governments will produce this century.”

Many of the world's biggest polluter nations have missed a U.N. deadline to set new climate targets as efforts to curb global warming come under pressure following U.S. President Donald Trump's election.