Nearly 200 nations faced a Monday deadline to file what the U.N.’s climate chief calls 'among the most important policy documents governments will produce this century.'

Nearly all nations missed a UN deadline Monday to submit new targets for slashing carbon emissions, including major economies under pressure to show leadership following the US retreat on climate change.

Douglas McIntyre, Editor-in-Chief at Climate Crisis, reports that most major nations expected to submit their annual climate action plans to the UN will miss the deadline. These plans, a key component of the Paris Accords,