People, Development and Environment
9.39
Note:
Hydrofluorocarbons (HFCs) was envisaged to
replace ODS listed above but the release of HFC was
found to be dangerous as it proved to be a dangerous
GHG with very high Global Warming Potential (GWP).
The focus on HFC gave a way to Kigali agreement.
2.
Generation of Highly Reactive Atoms:
The above
go into stratosphere and get broken by UV radiation.
Once they are broken down in the form of highly reac-
tive chlorine and bromine atoms.
3.
‘Catalytic’ Destruction of Ozone:
These highly reac-
tive atoms on coming into contact with ozone mol-
ecules, destroy them.
The End Product: ...
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