retiredat50 Posted January 10, 2014 Share Posted January 10, 2014 Has anyone noticed any changes. Some parts of the world (Tokyo) have improved very much over the last 20 years. I wonder about BKK? Link to comment Share on other sites More sharing options...
David48 Posted January 10, 2014 Share Posted January 10, 2014 Air Pollution? Water Pollution? Visual Pollution? Increasing or Decreasing over what period? Last Year, Decade, Generation? If you really wish genuine reply ... start with some parameters. Link to comment Share on other sites More sharing options...
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