Nigeria’s President, Muhammadu Buhari, is in Paris, France, where he and over 150 other world leaders are gathered with the aim of reaching a new and universal climate change agreement.
At the back of their minds as the meeting begins on Monday is the knowledge that they have already delivered an almost universal set of national responses to meet the long-term climate challenge before the conference even begins.
This would be the largest group of leaders ever to attend a UN event in a single day.