• [2012-12-05] Earth at Night 2012
  + http://svs.gsfc.nasa.gov/vis/a000000/a004000/a004019/ + http://www.nasa.gov/home/hqnews/2012/dec/HQ_12-422_Earth_at_night.html + http://www.eurekalert.org/pub_releases/2012-12/nsfc-nsr120512.php + http://blogs.nature.com/news/2012/12/earth-as-a-marble-black-and-blue-now-and-then.html + http://www.youtube.com/watch?v=Q3YYwIsMHzw + http://blog.skytruth.org/2012/12/fishing-line-new-nighttime-satellite.html + http://www.eurekalert.org/pub_releases/2012-12/nsfc-wlu120712.php + http://apod.nasa.gov/apod/ap121207.html + http://www.flickr.com/photos/gsfc/8252495511/ + http://www.flickr.com/photos/gsfc/sets/72157632175125121/ + http://www.flickr.com/photos/gsfc/8246931247/
  in Tietoukka Monitor > 2012 > 2012-49 with cities fires fishing gas_flaring infrastructure light_pollution lighting
• [2013-04-24] New LED streetlight design curbs light pollution
  + http://www.bbc.co.uk/news/technology-22292129 + http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-21-9-10612
  in Tietoukka Monitor > 2013 > 2013-17 with light-emitting_diodes light_pollution

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