Christophe Heyndrickx is bio engineer in environmental and agricultural economics at research consultancy Transport and Mobility, in Leuven, Belgium.  He specialises in modelling regional and national economic policy.

Livestock produces a lot of waste. One solution is to turn such agricultural waste into biogas to generate energy .  It requires using so-called anaerobic digestion, which consists in breaking down biodegradable material in the absence of oxygen.