ოტიბურიშ აირეფი: გინორთი გინოჯინეფს შქას

*[http://unfccc.int/ghg_data/ghg_data_unfccc/time_series_annex_i/items/3814.php The official greenhouse gas emissions data of developed countries] from the [[UNFCCC]]

*[http://cenperm.ku.dk/ Center for Permafrost - University of Copenhagen]