Earth energy evolution, human development and carbon neutral strategy
ZOU Caineng,MA Feng,PAN Songqi,LIN Minjie,ZHANG Guosheng,XIONG Bo,WANG Ying,LIANG Yingbo,YANG Zhi
Fig. 3. Evolution stages and characteristics of the Earth system (modified according to references [14-18,20-26] the percentage in the figure is the proportion of coal, oil and gas resources enriched in this layer in the global coal, oil and gas resources).