A NEW VIEW OF HUMAN ACTIVITIES FROM SPACE
This new image is a USA-focused subset from the 2017 Black Marble produced by the NOAA Earth Observation Group in Boulder, Colorado. The NGDC Earth Observation Group specializes in nighttime observations of lights and combustion sources worldwide. The group started working with DMSP data in 1994 and has produced a time series of annual cloud-free composites of DMSP nighttime lights. June 2018.