1. Biomass energy This book focuses mainly on the UK 1G biofuels implementation and suggested that the ubiquity of the 1G biofuels sustainability issues do not adequately explain the controversy which has created. Instead, the social-technical curtain of this 1G biofuels deployment, which could be trace from 2008 when the 1G biofuels were firstly commenced and deployed in UK under the Renewable Transport Fuel Obligation 2008. This book presents the evidence and implications of the 1G biofuels controversy: 'food-fuel competition' and 'biodiversity threatened' (termed as systemic risks), while further discussed the confluence social factors which have caused these systemic risks to happen during UK 1G biofuels deployment.