(...) There is no consensus on what 'sustainable' means. Biomass assessment is a patchwork of voluntary standards and regulations.

With many schemes comes a lack of comparability. Confusion leads to mistrust and protectionism, international disputes and barriers, slow investment and slower growth. (...)

The article:
http://www.nature.com/news/policy-define-biomass-sustainability-1.18058

Informazione di base:
https://it.wikipedia.org/wiki/Biomassa
https://en.wikipedia.org/wiki/Biomass
https://fr.wikipedia.org/wiki/Biomasse_%28%C3%A9nergie%29
https://es.wikipedia.org/wiki/Biomasa