PBS News Hour

How light pollution makes seeing the stars more difficult

Astronomers around the world are calling for international agreements to limit the spread of satellite constellations in space, with warnings that light pollution at night from the satellites damages vital scientific work. In Britain, the government is also being urged to impose new planning regulations to reduce light pollution to stop the loss of the nation’s dark skies. Malcolm Brabant reports.

How light pollution makes seeing the stars more difficult

6m 37s

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.