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Himalayan ice shows chemicals ban is working
http://www.lancaster.ac.uk/news/articles/2015/himalayan-ice-shows-chemicals-ban-is-working/[font face=Serif][font size=5]Himalayan ice shows chemicals ban is working[/font]
25 February 2015 10:05
[font size=4]A unique study of frozen ice cores from the Tibetan Himalaya has shown that international agreements on phasing out the use of toxic persistent organic pollutants are working.[/font]
[font size=3]The research paper in the leading American Chemical Society journal, Environmental Science & Technology has been named as the journal’s most read paper of 2014.
…
On the western side the ice cores showed deposits of PFASs initially increasing as they were used more and more in European industry in the 1980s, and then decreasing as industrial output changed in the early 2000s. One of these compounds is classed as a persistent organic pollutant under the UNEP Stockholm Convention and industry agreed, largely voluntarily, to phase out some of these compounds.
On the eastern side the level of residues is still increasing as Asia becomes more industrialised, but the nature of the PFASs are changing.
…[/font][/font]
http://dx.doi.org/10.1021/es4044775
25 February 2015 10:05
[font size=4]A unique study of frozen ice cores from the Tibetan Himalaya has shown that international agreements on phasing out the use of toxic persistent organic pollutants are working.[/font]
[font size=3]The research paper in the leading American Chemical Society journal, Environmental Science & Technology has been named as the journal’s most read paper of 2014.
…
On the western side the ice cores showed deposits of PFASs initially increasing as they were used more and more in European industry in the 1980s, and then decreasing as industrial output changed in the early 2000s. One of these compounds is classed as a persistent organic pollutant under the UNEP Stockholm Convention and industry agreed, largely voluntarily, to phase out some of these compounds.
On the eastern side the level of residues is still increasing as Asia becomes more industrialised, but the nature of the PFASs are changing.
…[/font][/font]
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