greenhouse gas concept. greenhouse gas word cloud. global greenhouse gas emissions by sector. co2 and ghg emissions caused climate

agriculture background carbon cement ch4 change climate cloud co2 concept dioxide earth emissions energy environment forestry gas ghg global greenhouse hexafluoride hfc illustration industrial industry keywords land methane n2o nf3 nitric nitrogen oxide pfc process reduce sf6 sulfur summary tag tagcloud text transport trifluoride use vector warming waste word wordcloud