ATMOsphere MOP25 - Natural Solutions for Developing Countries: The focus of the ATMOsphere side event during the 25th Meeting of the Parties to the Montreal Protocol (MOP25) is Natural Refrigerant solutions for developing countries. This side event targets the climate negotiators who are looking for technologically viable, safe and efficient alternatives to the synthetic refrigerants. One special highlight of the event will be the launch of the Guide UNIDO which shecco prepared together with the United Nations Industrial Development Organization.