Our nights are brighter, and brighter

The International Dark-Sky Association has campaigned for decades to reduce artificial light at night. Yet a new study shows our night skies still brightening at a rate of 2 percent each year.

Source link : http://www.topix.com/world/qatar/2017/11/our-nights-are-brighter-and-brighter?fromrss=1

Author :

Publish date : 25 November 2017 | 1:08 am

Source link