Artificial Lights Increasing 'Loss of Night,' Especially in Some Nations (IMAGE)
Caption
This is a graph of changes in artificially lit surface of Earth at night.
Credit
Carla Schaffer / AAAS
Usage Restrictions
Please cite the owner of the material when publishing. This material may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact <i>Science</i> for permission.
License
Licensed content