How to Use chlorofluorocarbon in a Sentence

chlorofluorocarbon

noun
  • Many nations have banned the production of chlorofluorocarbons.
  • Chlorofluorocarbons were originally used as the propelling agent, but the effects were proven to damage the ozone layer.
    — Tony Long, WIRED, 23 Jan. 2007
  • But chlorofluorocarbons have long lifetimes, and could still float around in the atmosphere 100 years from now, Newman said.
    — The Washington Post, NOLA.com, 3 Nov. 2017
  • In 1991 the world was talking about the dangers of chlorofluorocarbons and mounting damage to the ozone layer.
    — Jessica Gelt, latimes.com, 10 June 2019
  • Ward described these elements as chlorofluorocarbons, which deplete ozone.
    — Emily Atkin, The New Republic, 26 May 2018
  • Freon is a chlorofluorocarbon (CFC), which depletes the ozone layer and also acts as a global warming gas.
    — Eric Dean Wilson, Time, 30 June 2021
  • Scientists found that a type of chemical called chlorofluorocarbons, used in refrigerants and as a propellant for things like hairspray, were collecting in the polar stratosphere.
    — Jason Daley, Smithsonian, 3 Nov. 2017
  • HFCs were designed as a replacement for another class of chemicals -- chlorofluorocarbons -- that deplete the ozone layer.
    — Ari Natter, Bloomberg.com, 8 Aug. 2017
  • The ozone layer over the Antarctic is expected to recover by 2070 as compounds used as coolants, called chlorofluorocarbons, decline.
    — Ashley Strickland, CNN, 21 Oct. 2019
  • These include chlorofluorocarbons, which are found in air conditioners, refrigerators, and spray cans, halons, which are found in fire extinguishers, and methyl bromide, which is used to kill weeds, insects, and other pests.
    — Popular Science, 18 May 2020
  • However, it is also classified as a hydro-chlorofluorocarbon, which has been associated with ozone layer depletion.
    — Brian Sodoma, azcentral, 11 May 2018
  • The model assumed higher emissions of methane and chlorofluorocarbons, both potent greenhouse gases, than actually occurred.
    — Chelsea Harvey, Scientific American, 5 Dec. 2019
  • Certain chemicals must be present in the atmosphere - namely chlorine, one of the major components of chlorofluorocarbons, which can chemically react with ozone and break it up into other molecules.
    — The Washington Post, OregonLive.com, 9 June 2017
  • Scientists first realized chlorofluorocarbons were wearing down the thin ozone layer above Antarctica in the 1970s.
    — The Washington Post, NOLA.com, 3 Nov. 2017
  • Thanks to the Montreal Protocol, an international agreement to phase out ozone-depleting chlorofluorocarbons, the ozone hole is now in recovery.
    — Chelsea Harvey, Scientific American, 26 Mar. 2020
  • The hole in the ozone, which is centered over this region, is caused in part by the release of chlorofluorocarbons that come from your air-conditionng, aerosol cans, solvents, refrigeration and other manufacturing processes.
    — Jen Christensen, CNN, 13 June 2018
  • Her findings paved the way for the 1989 Montreal Protocol, which banned the worst ozone-depleting chemicals, such as chlorofluorocarbons.
    — Nathaniel Scharping, Discover Magazine, 22 Dec. 2016
  • Although manufacturers have phased out ozone-destroying chlorofluorocarbons, the replacement chemicals used in most systems today are still greenhouse gases, many times more powerful than carbon dioxide.
    — George Musser, Science | AAAS, 10 Oct. 2019
  • Solar geoengineering with aerosols runs head into the fact that aerosols, like ozone layer-destroying chlorofluorocarbon (CFC) spray aerosols, have often been a contributor to climate change.
    — Caroline Delbert, Popular Mechanics, 26 Mar. 2021
  • The fact that chlorofluorocarbons (CFCs)—chemicals once common in aerosol cans and refrigerant loops—could destroy ozone in the atmosphere was discovered in 1974.
    — Scott K. Johnson, ArsTechnica, 29 June 2026
  • There is mercury in liquid-crystal display screens, lead in cathode-ray tubes, cadmium in semiconductors and batteries, and ozone layer-destroying chlorofluorocarbons in old refrigerators, for example.
    — Peter Ford, The Christian Science Monitor, 9 July 2018
  • HFAs aren’t as harmful for the ozone layer as chlorofluorocarbon formulation inhalers that were phased out in the US from 2009 to 2013.
    — Jen Christensen, CNN Money, 6 Oct. 2025
  • Chemical pollutants – like nitrogen dioxide and chlorofluorocarbons on Earth are almost exclusively produced by human industry.
    — Jason Wright, The Conversation, 21 Oct. 2022
  • In 1974, scientists found that chemicals called chlorofluorocarbons, or CFCs, used in spray bottles and refrigeration destroyed ozone.
    — Alex Fox, Smithsonian Magazine, 1 Apr. 2020
  • Methane and ozone-depleting gases known as chlorofluorocarbons, or CFCs, are becoming relatively smaller contributors, the report states.
    — Lisa Friedman, New York Times, 13 July 2017
  • For decades, chlorofluorocarbons (CFCs) and other ozone-depleting compounds were widely used in aerosol sprays, foams, air conditioners and refrigerators, causing significant reductions in ozone levels.
    — Daniel Peck, ABC News, 24 Nov. 2025
  • The Montreal Protocol, often hailed as the most successful international environmental agreement ever enacted, has led to declines in chlorofluorocarbons and an increase in stratospheric ozone.
    — New York Times, BostonGlobe.com, 17 May 2018
  • The culprits for this atmospheric crime were chlorofluorocarbons (CFCs), ubiquitous industrial chemicals.
    — Andrea Miotti, Time, 29 Oct. 2025
  • Sam Johnson had decided to end a successful spray deodorant product line because the propellant in the cans used chlorofluorocarbons (CFCs), the chemical compound harming the protective ozone layer in the earth's atmosphere.
    — Jeff Young, MSNBC Newsweek, 3 Oct. 2025
  • Synthetic chemicals called chlorofluorocarbons (CFCs), commonly used in refrigerants and aerosol cans, were tearing holes in the ozone layer, letting harmful ultraviolet radiation pour through.
    — New Atlas, 25 Oct. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'chlorofluorocarbon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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