<human>: What are some of the most important things to do to protect the ozone layer?
<bot>: 
1. Reduce emissions of chlorofluorocarbons (CFCs) and other chemicals that deplete the ozone layer.
2. Implement policies that encourage the use of alternative, less harmful refrigerants.
3. Monitor the levels of ozone in the atmosphere and take action when necessary.
4. Educate people about the importance of protecting the ozone layer.
5. Establish a global monitoring network for the ozone layer.