Ban Ki-moon

Climate crisis should take diplomatic priority even where there may be fraught geopolitical tensions over challenging issues such as human rights, former UN Secretary-General suggests

Group highlights how no G20 nation has disclosed agricultural emissions targets to date

The Elders write to Boris Johnson arguing enhanced UK climate action 'would reverberate around the world' and set tone for COP26 next year

Former UN secretary-general says country must live up to Theresa May's commitment

Appointment of Mexican diplomat to replace outgoing climate chief Christiana Figueres has been officially approved by the Bureau of the UNFCCC

Leading Mexican diplomat put forward as prospective successor to out-going UNFCCC boss Christiana Figueres, as new report highlights the need for bolder national climate action plans

France and Peru say countries are edging towards consensus over the shape of global deal, as Ban Ki Moon praises US Clean Power Plan

World leaders once again agree to fund international action against climate change and to phase out fossil fuel subsidies

From city mayors to Rockefellers - BusinessGreen runs down the key green commitments from this week's conference