Fig. 3: Vegetation and atmospheric CO2 relationships.
From: Greening of India and revival of the South Asian summer monsoon in a warmer world

Scatterplot comparing vegetation changes (total tropical forest; tropical evergreen forest; tropical deciduous forest; grassland; arid and semi-arid plants) as a function of atmospheric CO2 concentrations108 over the entire record. The different climatic periods are distinguished by different symbols.