1. Check the outdoor lighting around your home.

2. Talk to your neighbors. 

3. Become a citizen scientist and help measure light pollution in your community using mobile apps or just your eyes. No experience necessary! 

4. Become a member or supporter of IDA

5. Spread the word to your social media network 

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Source: https://darksky.org/news/5-things-you-can-do-to-protect-the-night-sky/