Smoke from monster wildfires caused a chemical reaction that widened the ozone hole by 10 per cent, researchers say. Read more at straitstimes.com.
PARIS - Smoke from monster wildfires in Australia caused a chemical reaction that widened the ozone hole 10 per cent, researchers said on Wednesday, raising fears thatcould delay the recovery of Earth’s atmospheric protection against deadly UV radiation.
Professor Susan Solomon, of the Massachusetts Institute of Technology, who led the research, said that this reaction had chipped away at the edges of the ozone hole over Antarctica, expanding the hole by more than two million sq km – 10 per cent of its area compared to the previous year. The ozone hole was first created by human pollution – particularly chlorofluorocarbons emitted from many refrigerators – but in recent decades, a global agreement on these manmade chemicals has given the ozone layer a chance to heal.
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