Biofuels: Efficiency, Ethics, and Limits to Human Appropriation of Ecosystem Services

Biofuels have lately been indicated as a promising source of cheap and sustainable energy. In this paper we argue that some important ethical and environmental issues have also to be addressed: (1) the conflict between biofuels production and global food security, particularly in developing countries, and (2) the limits of the Human Appropriation of ecosystem services and Net Primary Productivity.

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7. The quality of life of individuals and societies is affected by energy choices.

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7.6 Some populations are more vulnerable to impacts of energy choices than others.

7.3 Environmental quality is impacted by energy choices.

7.4 Increasing demand for and limited supplies of fossil fuels affects quality of life.

7.1 Economic security is impacted by energy choices.

7.2 National security is impacted by energy choices.

7.5 Access to energy resources affects quality of life.