(Getty Images) New York City topped the list for the world’s worst daily air pollution ... (Getty Images) The Environmental Protection Agency said hazy skies, reduced visibility and the odor ...

A photo exhibition that’s part of the Right Here, Right Now Global Climate Summit shows the devastating effects of climate ...

Selcuk Acar / Anadolu Agency via Getty Images A new, satellite-based instrument measuring air pollution in North America ... the same position in the sky relative to Earth—allowing it to image ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental ... Light pollution, the term for the brightening of the night sky by unnatural lights, is ...

Photograph by Nasir Kachroo, NurPhoto/Getty Images People so accustomed to pollution they hardly think ... a political scientist and environmental researcher at the University of Liège, Belgium.

To protect that darkness and the commerce it brings, the region’s environmental ... for curtailing light pollution, and takes as many photos of the night sky as possible to document its beauty ...

Light pollution ... sky preservation group. DarkSky Wisconsin, for example, started in Wisconsin this summer. Madeline Heim is a Report for America corps reporter who writes about environmental ...

He was a founder of the International Dark-Sky ... light pollution, astronomers expressed concern about interference from satellites — both in radio astronomy and as streaks on images ...