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Ozone layer

June 2024

  • NASA image from 2000 showing the largest ever ozone hole over Antarctica.

    From the Guardian archive
    The vanishing ozone layer – archive, 1974

    On 28 June 1974, chemists at the University of California published the first report that warned that CFCs could damage the Earth’s ozone layer
  • Close-up of a spray can with someone pressing down the cap with gas coming out

    Harmful gases destroying ozone layer falling faster than expected, study finds

    Scientists say atmospheric levels of damaging gases peaked five years ahead of projections, as substances phased out
  • the american atmospheric chemist professor susan solomon

    Climate scientist Susan Solomon: ‘Let’s not give up now – we’re right on the cusp of success’

    The US atmospheric chemist on why she doesn’t share the pessimism of most climate scientists, fixing the ozone layer, and why Jacques Cousteau is her hero

March 2024

  • Penguins watch the Noosfera, Ukraine’s Antarctic research vessel, which keeps the Ukrainian and Polish bases supplied.

    Seascape: the state of our oceans
    ‘He took five bullets and returned to work on plankton’: the double lives of Ukraine’s Antarctic scientists

  • Aerosol spray can.

    From the Guardian archive
    Total ban on CFCs by Europe: effort to save ozone layer – archive, 1989

September 2023

  • Earth from space

    Earth ‘well outside safe operating space for humanity’, scientists find

  • Farmland along the Ra'og Lake in Qamdo, Tibet.

    Weatherwatch
    How hole in ozone layer affected summer rainfall in Tibet

August 2023

  • Melting icebergs on Horseshoe Island, Antarctic

    Fears over Antarctic sea ice as yearly ozone layer hole forms ‘very early’

    Experts say larger-than-normal hole could cause further warming of Southern Ocean and heighten damaging effects of 2022 Tonga volcano eruption

March 2023

  • Australian bushfire 2020

    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’

January 2023

  • A series of satellite images show the hole in the ozone layer above Antarctica

    Science Weekly
    How did we save the ozone layer?

  • This image made available by NASA shows a map of a hole in the ozone layer over Antarctica on Sunday, Oct. 20, 2019. The purple and blue colors indicate the least amount of ozone, and the yellows and reds show the most. In October 2019, NASA says the ozone hole near the south pole this year is the smallest since it was discovered, but it is more due to freakish Antarctic weather than efforts to cut down on pollution. (Goddard Space Flight Center/NASA via AP)

    Earth’s ozone layer on course to be healed within decades, UN report finds

February 2022

  • A break in the smoke reveals a glimpse of the pyrocumulus cloud above a bushfire along the Bumbalong Road north of Bredbo

    Smoke from Black Summer bushfires depleted ozone layer, study finds

    More intense bushfires due to climate change will slow recovery of ozone layer, scientist says

September 2021

  • The sun sets beyond icebergs which calved from the Sermeq Kujalleq glacier float in the Ilulissat Icefjord in Ilulissat, Greenland

    ‘Larger than usual’: this year’s ozone layer hole bigger than Antarctica

    Scientists say ozone hole is unusually large for this stage in season and growing quickly

August 2021

  • This image made available by NASA shows a map of a hole in the ozone layer over Antarctica on Sunday, Oct. 20, 2019. The purple and blue colors indicate the least amount of ozone, and the yellows and reds show the most. In October 2019, NASA says the ozone hole near the south pole this year is the smallest since it was discovered, but it is more due to freakish Antarctic weather than efforts to cut down on pollution. (Goddard Space Flight Center/NASA via AP)

    Saving ozone layer has given humans a chance in climate crisis – study

    Chemicals once used in refrigerators would have driven 2.5C of extra heating by 2100 if they had not been outlawed, researchers claim

October 2020

  • Climate protesters

    Today in Focus
    Leaded petrol, acid rain, CFCs: why the green movement can overcome the climate crisis

  • Mario Molina

    Mario Molina obituary

  • Friend of the earth protest performance against pollution inducing acid rain

    Guardian climate pledge 2020
    'We've had so many wins': why the green movement can overcome climate crisis

  • Cows feeding indoors. Animal manure is a key source of nitrous oxide

    Intensive farming worldwide threatens Paris climate accord, report says

July 2020

  • A man on Parliament Hill, Hampstead Heath, looks out at smog blanketing central London.

    Pollutionwatch
    Pollutionwatch: June heatwave brings smog to England

    Main pollutant in smog is ozone - formed when sunlight reacts with evaporating solvents, personal care products and paints

April 2020

  • Milky Way

    Record-size hole opens in ozone layer above the Arctic

    Rare hole is result of low temperatures in atmosphere and is expected to disappear
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