Asia 1 Asia-Pacific Economic Cooperation 1 Asia-pacific economic cooperation 1 Asian Pacific Economic Cooperation Forum 1 Carbon dioxide 1 Carbon dioxide emission 1 Carbon dioxide emissions 1 Current situation 1 Deformable accumulation Economic Co-operation 1 Forecasting 1 Global warming 1 Grey forecasting model 1 Grey modeling 1 Grey prediction model 1 Member countries 1 Upward trend 1 accuracy assessment 1 carbon dioxide 1 carbon emission 1 discrete element method 1 energy policy 1 environmental policy 1 forecasting method 1 trend analysis 1