![Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act](https://media.nature.com/lw1024/magazine-assets/d41586-020-00883-y/d41586-020-00883-y_17826532.jpg)
Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act
![Chemicals banned from air conditioners and refrigerators are making a comeback — and scientists don't know why - The Verge Chemicals banned from air conditioners and refrigerators are making a comeback — and scientists don't know why - The Verge](https://cdn.vox-cdn.com/thumbor/tUzD8UjoTh_E-f1Oj17SXqNBAH8=/0x0:4579x4579/2000x1333/filters:focal(2290x2290:2291x2291)/cdn.vox-cdn.com/uploads/chorus_asset/file/24556796/814989712.jpg)
Chemicals banned from air conditioners and refrigerators are making a comeback — and scientists don't know why - The Verge
![Recall – quick questions 1.In which 2 layers of the atmosphere is ozone found? 2.Where is it considered “good” and “bad”? Why? 3.What happens to the structure. - ppt download Recall – quick questions 1.In which 2 layers of the atmosphere is ozone found? 2.Where is it considered “good” and “bad”? Why? 3.What happens to the structure. - ppt download](https://images.slideplayer.com/18/6200101/slides/slide_3.jpg)
Recall – quick questions 1.In which 2 layers of the atmosphere is ozone found? 2.Where is it considered “good” and “bad”? Why? 3.What happens to the structure. - ppt download
![SOLVED:Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996 . However, many older cars still have air conditioners that use CFC-12(CF2 Cl2) . These SOLVED:Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996 . However, many older cars still have air conditioners that use CFC-12(CF2 Cl2) . These](https://cdn.numerade.com/previews/9fc18e32-4148-4dc2-9276-c3392e6528f5_large.jpg)
SOLVED:Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996 . However, many older cars still have air conditioners that use CFC-12(CF2 Cl2) . These
![Institutions and governments can slow climate change by regulating and reducing halocarbon refrigerant use - MIT Science Policy Review Institutions and governments can slow climate change by regulating and reducing halocarbon refrigerant use - MIT Science Policy Review](https://sciencepolicyreview.org/wp-content/uploads/2020/08/Refrigerant-Header-Image-1.png)
Institutions and governments can slow climate change by regulating and reducing halocarbon refrigerant use - MIT Science Policy Review
![Ozone-depleting chemicals may spend less time in the atmosphere than previously thought | MIT News | Massachusetts Institute of Technology Ozone-depleting chemicals may spend less time in the atmosphere than previously thought | MIT News | Massachusetts Institute of Technology](https://news.mit.edu/sites/default/files/styles/news_article__image_gallery/public/images/202105/MIT-CFC-emissions-01-press_0.jpg?itok=XCPXmGDb)
Ozone-depleting chemicals may spend less time in the atmosphere than previously thought | MIT News | Massachusetts Institute of Technology
![Quantifying contributions of chlorofluorocarbon banks to emissions and impacts on the ozone layer and climate | Nature Communications Quantifying contributions of chlorofluorocarbon banks to emissions and impacts on the ozone layer and climate | Nature Communications](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41467-020-15162-7/MediaObjects/41467_2020_15162_Fig1_HTML.png)