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New York City 311 on Twitter: "An appointment is required to throw away a refrigerator, air conditioner, freezer, or any other device containing CFC gas. Learn more about the procedure & schedule
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CFC's LO: to explain what CFC's are and how the are damaging ozone? Starter: What are CFC's? - ppt download
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How cleaning up coolants can cool the climate – why HFCs are getting phased out from refrigerators and air conditioners
![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)