emissions global greenhouse gas sector data production chart pie ghg sources industry energy source buildings use economic ipcc agriculture land
seasonal contribution variability pm10 determined
emissions greenhouse comparing ghg charleston sector inventories
emissions global gas greenhouse gases ghg data carbon fossil dioxide sources fuel methane key emitted human source ipcc use nitrous
contribution sectors ghg ipcc emissions 2007
emissions sector report greenhouse climate gas change ipcc mitigate economic potential mitigation other facts reducing key efficiency environment journalistsresource nations
contributions acp nacs factors seasons concentrations four source figure 2021