Wednesday, 31 December 2014

American cities outshine most others

EARTH OBSERVATION
American cities outshine most others
Potsdam, Germany (SPX) Dec 30, 2014 - German cities emit several times less light per capita than comparably sized American cities, according to a recent publication in the journal Remote Sensing. The size of the gap grew with city size, as light per capita increased with city size in the USA but decreased with city size in Germany. The study also examined regional differences, and surprisingly found that light emission per capita w ... more


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