Ten per cent of the world’s primary energy supply in 2009 came from biomass. Demand for bioenergy is expected to grow three-fold by 2050. But does it matter where this bioenergy comes from?
Bioenergy generated from biomass comes from a range of sources; e.g. corn, sugar, sugar beet, soy, energy grass, organic waste and wood etc. to name but a few.
But how can we be sure that these renewable sources are any better than traditional energy producing methods?