The resulting firefly-style map shows just how much Earth’s night-lights changed in four years, revealing some big differences that are easily explained,….
That India has brightened dramatically, as shown by all the blue in the image below, is also not a surprise. The country is home to more than its fair share of people living without electricity, and its government has been working to change that by establishing a rural electrification program and investing heavily in renewable energy. There is still a lot of work to be done, but the results are already easy to see on Nelson’s map.
source: http://news.nationalgeographic.com/2017/04/satellite-imagery-night-earth-lights/
