In an exclusive interview with EURACTIV France, Paul Watkinson, president of the UN Subsidiary Body for Scientific and Technological Advice at COP24 and COP25, discussed why the ‘rulebook’ on implementing the Paris Climate Agreement still has not been ratified. Paul Watkinson was the president of the Subsidiary Body for Scientific and Technological Advice (SBSTA) of the UN Framework Convention on Climate Change in 2018 and 2019, at COP24 and 25. He was also a climate negotiator for the French government for over 10 years and participated in the elaboration of the Paris Climate Agreement i...