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Three new Chlorofluorocarbons (CFCs), which act to Studies conducted in the 1970s found that CFCs when released into the atmosphere (a common occurrence in cars, and refrigerant equipment), they caused a significant deterioration of the ozone layer in the atmosphere. This is important because the ozone layer protects human skin and many living organisms from ultraviolet rays emitted from the sun. The ozone layer, our Earth’s sunscreen, absorbs about 98 percent of this devastating UV light. The ozone layer is getting thinner. Chemicals called chlorofluorocarbons (CFCs) are a reason we have a thinning ozone layer. A chlorofluorocarbon (CFC) is a molecule that … CFC gases were responsible for a massive hole in the ozone layer but they also had a powerful greenhouse effect.

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NASA combination images showing areas of low ozone above Antarctica in 2000, left, and The gas, CFC-11, was banned in 2010 under the Montreal Protocol — the international treaty to eliminate substances that wreck the Earth’s protective ozone layer. CFC-11 also warms Earth with As greenhouse gases are emitted and increase, the ozone layer decreases, making planet earth more vulnerable to changes in climate, temperature and the introduction of more UV rays from the sun. Ozone depletion is a real concern and while efforts to help have been successful in some cases, the problem is far from over. The Montreal Protocol led to a global phase-out of most substances that deplete the ozone layer, such as chlorofluorocarbons . A happy side-effect of the gradual ban of these products is that Earth’s climate has also benefited because CFCs are also potent greenhouse gases.

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Genom förordningen upphävdes den tidigare F-gasförordningen. Hotet mot ozonskiktet är utsläpp av ozonnedbrytande ämnen som CFC, HCFC, haloner, Ozon: O3, gas som består av tre syreatomer per molekyl.

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Ultra-violet rays in the stratosphere separate chlorine molecules from the CFC (carbon + chlorine + fluorine) compound, and the chlorine molecules then react with ozone. Scientists at the University of East Anglia have discovered new man-made gases that are contributing to the depletion of the Earth’s ozone layer. Three new Chlorofluorocarbons (CFCs), which act to Studies conducted in the 1970s found that CFCs when released into the atmosphere (a common occurrence in cars, and refrigerant equipment), they caused a significant deterioration of the ozone layer in the atmosphere. This is important because the ozone layer protects human skin and many living organisms from ultraviolet rays emitted from the sun. The ozone layer, our Earth’s sunscreen, absorbs about 98 percent of this devastating UV light.

NASA combination images showing areas of low ozone above Antarctica in 2000, left, and The gas, CFC-11, was banned in 2010 under the Montreal Protocol — the international treaty to eliminate substances that wreck the Earth’s protective ozone layer. CFC-11 also warms Earth with As greenhouse gases are emitted and increase, the ozone layer decreases, making planet earth more vulnerable to changes in climate, temperature and the introduction of more UV rays from the sun. Ozone depletion is a real concern and while efforts to help have been successful in some cases, the problem is far from over. The Montreal Protocol led to a global phase-out of most substances that deplete the ozone layer, such as chlorofluorocarbons . A happy side-effect of the gradual ban of these products is that Earth’s climate has also benefited because CFCs are also potent greenhouse gases.
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They will soon be almost  Sherwood Rowland and Mario J. Molina discovered that chlorofluorocarbons ( CFCs) could deplete Earth's atmospheric ozone layer, which blocks the sun's  These chemicals and other trace gases drift up into the stratosphere and Just one chlorofluorocarbon molecule can destroy tens of thousands of ozone  10 Feb 2021 The ozone layer may recover more quickly than first thought thanks of the banned ozone-depleting gas trichlorofluoromethane, or CFC-11,  17 Feb 2020 New research finds that chlorofluorocarbons (CFCs) and other ozone-depleting substances have boosted the effects of climate change in the  CFCs and the environment. By the 1970s, scientists were predicting that CFCs could be the cause of ozone depletion in the upper atmosphere and this was  Ozone Depleting Substances.

Some ozone-depleting substances (ODSs) are not yet controlled by the Montreal Protocol, including nitrous oxide (N 2 O) For a table of ozone-depleting substances controlled by the Montreal Protocol see: [16] Stratospheric ozone depletion: kg CFC-11 eq. Ozone-depleting gases cause damage to stratospheric ozone or the "ozone layer".
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VI. WHAT IS THE OZONE HOLE?