As soon as you drive over the top of the Peak District and down into Sheffield you can see the light pollution – and it’s horrible, said a participant in a research project into darkness and light pollution.
In the last 100 years, the places where people can experience darkness have reduced dramatically. Now only 10% of the people living in the western hemisphere experience places with dark skies, where there is no artificial light. And the starry skies they can see are limited by artificial light. The number of stars that people can see from most of the western hemisphere is getting fewer and fewer.
