The study focus on German policies but the full version was published in English, because the authors believe, that the result should concern the whole world:Huge pdf
The German / EU biomass strategy will cause worldwide hunger and deforestation and will do little to reduce CO2 emissions.
The authors suggest heading for more efficiency and solar and wind power and use biomass only in small scales (like using waste).
The "Nationalen Akademie der Wissenschaften" gives advice to the German president who needs to sign every law which he rarely but sometimes refuses.
So this study will have some weight, it has already been a topic in most newspapers.