Long-term exposure to high levels of UV-B can severely damage most animals, plants and microbes, so the ozone layer protects all life on Earth.
The Kigali Amendment
The amendment to the Montreal protocol will reduce the projected production and consumption of hydrofluorocarbons (HFCs) by more than 80 per cent over the next 30 years. If fully supported, the amendment can avoid up to 0.4°C of global warming by the end of this century.65 countries have already ratified the amendment, with more expected in the weeks to come.
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