The Globe at Night program is an international citizen-science campaign to raise public awareness of the impact of light pollution by inviting citizen-scientists to measure their night sky brightness and submit their observations to a website from a computer or smart phone. It's easy to get involved - just follow these 5 Simple Steps!
Image courtesy Babak A. Tafreshi
Resources for 2014
Globe at Night is truly an international campaign, providing Activity Guides, Postcards, and the data reporting webapp in more than 20 languages. These are all available to download from our Resources page.
What is Light Pollution?
Too much light pollution has consequences: it washes out starlight in the night sky, interferes with astronomical research, disrupts ecosystems, has adverse health effects and wastes energy.
Related phone apps
Globe at Night is pleased that two native smartphone apps have become available that integrate well with our campaigns. If you have an Android phone, check out the Loss of the Night app. And if you have an iPhone 4S or later, take a look at the Dark Sky Meter app.
See how your region is doing in 2014 below. If you don't see very many data points, consider going outside tonight and contributing your own! Compare to other regions or previous years with our regional map generator.