This 12th issue features insightful articles, including Liubov Yaroshenko’s examination of COP29 within the context of critical energy transition minerals, Evgeniia Kirillova’s analysis of using co-optimisation modeling solutions for interconnected energy markets, as well as Michael Oshchepkov’s discussion on the perspectives of carbon markets integration. In this current issue, we are also proud to share Anastasiya Oshchepkova’s report on the V International Municipal BRICS+ Forum, where RC ENERPO co-organised a session titled “Future Energy: Alternative Sources for Sustainable Development”.