This has already been discussed here https://news.ycombinator.com/item?id=5463888 https://news.ycombinator.com/item?id=5463888 from http://blogs.smithsonianmag.

This has already been discussed here https://news.ycombinator.com/item?id=5463888 https://news.ycombinator.com/item?id=5463888 from http://blogs.smithsonianmag.com/artscience/2013/03/darkened-cities http://blogs.smithsonianmag.com/artscience/2013/03/darkened-... I wish we could go lighter on nighttime light pollution.