Luftforurening: Forskelle mellem versioner

Menneskeskabt tungmetal luftforurening begyndte at stige med påbegyndelsen af den [[industrielle revolution]]. Man har søgt efter historiske observationer af en bestemt tungmetalholdig tåge i [[arktis]] og med stor sandsynlighed fundet nogle.

<ref>[http://www.sciencedaily.com/releases/2008/03/080319085406.htm University of Utah (2008, March 21). Arctic Pollution's Surprising History: Explorers Saw Particulate Haze In Late 1800s. ScienceDaily] Citat: "...The haze and dust were likely the byproducts of smelting and coal combustion generated during the Industrial Revolution..."Recent Greenland ice cores show a rapid rise in anthropogenic soot and sulfate that began in the late 1800s, but with peak sulfate levels in the 1970s, and peak soot between 1906 and 1910," Garrett and Verzella say in their study..."</ref>

 

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