De Schutter says with the possible exception of sugarcane in countries such as Brazil, the environmental impact of other agro-fuels currently produced from food crops is not particularly positive.

"I am not opposed as a matter of principle to agro-fuels," he said. "Although, I think their environmental benefits in many cases have been widely overestimated."

To strengthen legislation construction is an important approach to resolve the Agro environmental security problems. Some specific proposals are also suggested in the paper.