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Light pollution is the human-made alteration of outdoor light levels from those ocurring naturally. It has harmful effects on:

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We send emails to members, supporters, and donors in order to keep you informed of our work and the progress we make in fighting light pollution, advocating for better outdoor lighting, certifying new Dark Sky Places, and more!
We hope you’ll stay on our email list. Here are some guidelines:
News and events for International Dark Sky Week, which happens in April each year.
Our monthly newsletter features news about the dark sky movement around the globe, challenges, solutions, and more.
News about events such as the Capture the Dark Photo Contest and DarkSky Awards.
News about special campaigns like matching grants, special initiatives, and other ways you can financially support the dark sky movement.
If you’re a donor or member, these emails are about your account, renewal status, and the like. You cannot unsubscribe from these, unless you delete your membership. We are required by law to retain some donor contact information for a certain period of time.
If you’d like to change your email preferences, do it on this page.
Note: If you choose to unsubscribe from all lists, we cannot add you back. Our email provider disallows it.
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Donations to this page support the Ohio Chapter of DarkSky International!
Donations to this page support the Ohio Chapter of DarkSky International!