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!

Join the campaign from 17 – 26 June. Citizen scientists from around the world have contributed 14,181 data points so far this year.