"a move that could prevent up to 0.5-degree C of global warming by the end of this century."
There is no proof to back up that statement, but then again they are using one of there favorite words , 'could' , kind of like a get out of free jail card like in monopoly....lol.
I wonder if the honorable minister of the environment could share with us what the current atmospheric concentration CFC's are, just we know what we are talking about here.