![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
![Emissions of several ozone-depleting chemicals are larger than expected | MIT News | Massachusetts Institute of Technology Emissions of several ozone-depleting chemicals are larger than expected | MIT News | Massachusetts Institute of Technology](https://news.mit.edu/sites/default/files/download/202003/MIT-cfc-bank-01-press.jpg)
Emissions of several ozone-depleting chemicals are larger than expected | MIT News | Massachusetts Institute of Technology
![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
![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/images/202105/MIT-CFC-emissions-01-press.jpg)
Ozone-depleting chemicals may spend less time in the atmosphere than previously thought | MIT News | Massachusetts Institute of Technology
![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/lw767/magazine-assets/d41586-020-00883-y/d41586-020-00883-y_17826536.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)