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Slightly related fun fact: Oslo also uses recovered heat from sewage to heat homes. http://www.enn.com/top_stories/article/4032 http://www.enn.com/top_stories/
by kjetil 13y ago
Slightly related fun fact: Oslo also uses recovered heat from sewage to heat homes.
http://www.enn.com/top_stories/article/4032 http://www.enn.com/top_stories/article/4032