[3 / 1 / ?] 216KiB, 4061x2615, Map NO2 Tropospheric Column Amount (Clear Sky Conditions Only) 2012 (4061x2615).gif View SameGoogleImgOpsiqdbSauceNAO Thread Reply Original Report Media View Same Google ImgOps iqdb SauceNAO Download Anonymous ID:bIWTI/8d Fri 05 May 2017 02:09:55 No.58354 View ViewReplyOriginalReport Quoted By: >>58540 ITT: we have a serious discussion to determine which country causes the most pollution.