- Protocol of Vienna Convention: Protection of the Ozone Layer,1985
- To cut down 99% of all ozone-depleting substance (ODS)
- India (1992)
- Stratosphere,
- absorbs UV rays
- 16 September
Kigali Agreement
- 2016 (entered into force in 2019)
- 80% reduction in HFCs consumption by 2047.
Ozone-depleting substance (ODS)
- CFCs
- halons
- methyl bromide
- bromochloromethane
CFCs
- harmful for the Ozone layers
- Use: Refrigerators, AC, Fire extinguishers, foams
HFCs
- do not harm Ozone Layer
- Causing global warming