Which countries have not ratified the Paris climate agreement?

Over a decade after the Paris Agreement was adopted, just three of the 197 countries have not formally backed the deal – the US will soon join them
The Eiffel Tower in Paris, illuminated in green to celebrate the entry into force of the Paris Agreement, the most ambitious climate change agreement in history, on November 4, 2016 (Photo: Jean-Baptiste Gurliat/ Mairie de Paris)

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