Paul Newman, co-chair of the scientific assessment, added that the two chief chemicals that 'munch away' at the ozone - bromine and chlorine - have 'stopped growing' and levels are 'coming down,' another testament to the effectiveness of the Protocol
The Earth's protective ozone layer is"on track" to fully recover, according to a new assessment backed by the United Nations., by 2045 over the Arctic, and by 2040 for the rest of the world, levels should return to what they were in the 1980s.
Paul Newman, co-chair of the scientific assessment, said:"In the upper stratosphere and in the ozone hole we see things getting better." While Meg Seki, executive secretary of the United Nations Environment Programme's ozone secretariat, added that the report delivers"fantastic news". Scientists and environmental advocates have contributed these latest efforts to the ongoing success of the 1989 Montreal Protocol, which banned 99% ozone-depleting substances.Having first come into force after scientists raised the alarm over a"hole" in the Earth's ozone layer, chemicals that were found to deplete the upper stratospheric layer were banned.
Mr Newman went on to explain that the two chief chemicals that"munch away" at the ozone - bromine and chlorine - have"stopped growing" and levels are"coming down," another testament to the effectiveness of the Protocol.
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