In 2013, Citizen Scientists from around the world contributed 16,373 data points to the Globe at Night campaign! Data sets are available for download on our maps page.

Defending the Dark from Jason Davis on Vimeo.

In Arizona, where space sciences are worth an estimated $250 million annually, bright skies are a serious threat to astronomical research. Cities like Tucson have adopted lighting ordinances to protect the industry, but as urban sprawl increases, bad lighting affects more than stargazing scientists.

Globe at Night 2013 in the News

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