Court President Delivers Closing Keynote on Climate at Mayors' Summit in Paris On 23 June, the President of the Court, Mattias Guyomar, delivered a closing keynote address during the roundtable discussion entitled Democracy and Climate Justice: the Same Battle at the “Mayors' Summit: From Paris to Belém – 10 Years of Global Climate Action” in Paris. President Guyomar highlighted that today’s climate challenge calls for responses from all three branches of power: the executive, the legislative, and the judicial.