Smoke from Australian bushfires depleted ozone layer by up to 5% in 2020, study finds

Lead researcher says destruction was similar to process of Antarctic ozone hole forming each spring 'but at much warmer temperatures'Get our morning and afternoon news emails, free app or daily news podcastParticles in bushfire smoke can activate molecules that destroy the ozone layer, according to new research that suggests future ozone recovery may be delayed by increasingly intense and frequent fires.A study published in the journal Nature has found that smoke from the 2019-2020 Australian bushfires temporarily depleted the ozone layer by 3% to 5% in 2020.Sign up for Guardian Australia's free morning and afternoon email newsletters for your daily news roundup Continue reading...