OzoNews is Turning 20! The OzoNews 15 January 2020 issue marks 20 years of continued service of providing a regular and concise news update directly to your screen. In this issue: 1. Kigali Amendment latest ratifications 2. Report of the 84th meeting of the Executive Committee of the Multilateral Fund for the Implementation of the Montreal Protocol, Montreal, Canada, 16 - 20 December 2019 3. Research shows Montreal Protocol is slowing global warming 4. The impact of continuing CFC‐11 emissions on stratospheric ozone 5. Bhutan’s first batch of refrigeration and mobile air-conditioning students 6. India bans import of harmful hydrochlorofluorocarbon that depletes the ozone layer 7. Sultanate of Oman strengthens capacity of technicians to provide cool services that protect environment 8. A synthetic view of the GWP of refrigerant fluids, versus their cooling capacity and flammability 9. 3 Low-impact options for replacing R22 refrigerant 10. University of Birmingham and International Solar Alliance help 'sun-rich' farmers 11. Methylene chloride brings ozone depletion angle to TSCA debate