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Ozone's Slow Recovery Backgrounder

Download this printable guide to learn more about how scientists measure ozone levels around the globe and how Earth's ozone layer is being affected by human activity.

American Museum of Natural History

Central Park West at 79th Street
New York, NY 10024-5192
Phone: 212-769-5100

Open daily from 10 am-5:45 pm
except on Thanksgiving and Christmas
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