Frequently Asked Questions about the Ozone Hole

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What is the Ozone Hole?
How big was the 2007 Ozone Hole, and is it getting bigger?
Has there been ozone loss in places besides Antarctica?
Has ozone destruction increased levels of UV-B light at the surface?
What are the human health effects of increased UV-B light?
Has ozone loss contributed to an observed increase in sunburns and skin cancer in humans?
What is the effect of increased UV-B light on plants?
What is the effect of increased UV-B light on marine life?
Is the worldwide decline in amphibians due to ozone depletion?
Are sheep going blind in Chile?
What do the skeptics say about the ozone hole?
What are the costs and savings of the CFC phaseout?
What steps have been taken to save the ozone layer? Are they working?
What replacement chemicals for CFCs have been found? Are they safe?
When was the ozone hole discovered?
How do CFCs destroy ozone?
Are volcanos a major source of chlorine to the stratosphere?
What is ozone pollution?
Where can I go to learn more about the ozone hole?

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