A third of the population can’t see the Milky Way at night
A new atlas reveals where light pollution obscures the night sky

NIGHT LIGHTS More than a third of Earth’s population can no longer see the Milky Way at night, a new atlas of light pollution shows. Chad, Central African Republic and Somalia boast the most pristine skies, while Kuwait, Qatar and Saudi Arabia are among those countries with the worst light pollution.
F. Falchi et al/Science Advances 2016