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Designing our Future

Local Perspectives on Bioproduction, Ecosystems and Humanity

image of Designing our Future
This volume focuses primarily on society at the local and regional levels and on a scenario in which human beings coexist harmoniously with nature. This ideal society is examined in terms of the relationships between villages or towns and their natural environment. It also looks at how these villages and towns can achieve local or regional independence in the face of pressures toward centralization and globalization. This book highlights the importance of developing a society in harmony with nature through the networking of diverse communities to promote and achieve local independence.

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Biogas plants in Hokkaido: Present situation and future prospects

Biogas plants are facilities that consist of a methane fermentation system to treat domestic livestock waste and an energy recovery system. These plants are intended to treat waste mainly in order to convert it into fertilizer and to produce biogas as an alternative fuel to oil. The use of biogas has attracted much attention owing to its ability to reduce carbon dioxide emissions, thus lightening the environmental load. The ability of biogas to decrease carbon dioxide emissions, despite the fact that it emits carbon dioxide itself, is based on the carbon-neutral concept. This means that terrestrial carbon is constantly transferred in a recurrent cycle: pasture grass—cattle—livestock waste—methane gas—carbon dioxide gas—pasture grass. This implies that, in order for biogas to remain carbon neutral, it is necessary to continuously reproduce biomass (pasture grass), which is its source.

English

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