'Our success in phasing out ozone-eating chemicals shows us what can and must be done—as a matter of urgency—to transition away from fossil fuels, reduce greenhouse gases, and so limit temperature increase,' said the wmo chief.
"is expected to return to 1980 values around 2066 in the Antarctic, around 2045 in the Arctic, and around 2040 for the near-global average."
"New studies support previous assessments in that the decline in ODS emissions due to compliance with the Montreal Protocol avoids global warming of approximately 0.5-1°C by mid-century compared to an extreme scenario with an uncontrolled increase in ODSs of 3-3.5% per year," the executive summary adds.
;“Good news from #AMS2023: The ozone layer is on track to recover within four decades.\n\nPress release ;➡️ https://t.co/htPbNDJ9VU\n\nExecutive summary ;➡️ https://t.
The challenge when it comes to greenhouse gases like carbon dioxide is even greater, he said, as they stay in the atmosphere far longer and, unlike CFCs which were produced by just a handful of companies, the emissions coming from fossil fuels are far more widespread and embedded in almost every activity in societies.
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