I'm looking for data on current/recent global surface area for energy crops, meaning crops grown primarily for bio energy. I can't even find rough estimates, can anyone help?
@ Stefen, to my knowledge 13.4 billion ha of land surface area in the world is used for crop production out of which 9-32% is engaged in energy crop production.
At present some 11 percent (1.5 billion ha) of the globe's land surface (13.4 billion ha) is used in crop production (arable land and land under permanent crops). This area represents slightly over a third (36 percent) of the land estimated to be to some degree suitable for crop production. The fact that there remain some 2.7 billion ha with crop production potential suggests that there is still scope for further expansion of agricultural land. However, there is also a perception, at least in some quarters, that there is no more, or very little, land to bring under cultivation.
http://www.fao.org/3/y4252e/y4252e06.htm
https://ourworldindata.org/yields-and-land-use-in-agriculture
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