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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Janaina Camile Pasqual1, Harry Alberto Bollmann1 and Christopher Scott2
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DOI:10.17265/2161-6256/2017.04.004
Affiliation(s)
1. Urban Management Program, Pontifical Catholic University of Paraná (PUCPR), Curitiba, Paraná 80215-901, Brazil
2. Udall Center for Studies in Public Policy and School of Geography & Development, University of Arizona, Tucson, AZ 85719, United States
ABSTRACT
The demand for energy,
water and food will continuously increase, as the prediction states that 2.5 billion people will
be added to the world population by 2050, representing not only an increase in
the consumption but also more waste production, greenhouse gas (GHG) emissions
and depletion of natural resources. Taking into account that renewable sources
of energy can help to overcome these challenges and diversify the energy matrix
in the countries, this paper aims at analyzing the biogas potential in Brazil
and the United States, especially in the livestock sector, and its benefits in
the environmental, social and economic aspects. Both countries are among the
top five countries globally in terms of water availability, energy consumption
and food production. Until 2050, the world consumption of meat will have a significant
increase: 206% of poultry meat, 56% of pork meat and 47% of beef meat,
augmenting the need for sustainable management of waste and manure. This
scenario can become a sustainable opportunity for biogas implementation, which
provides multiple economic, environmental and social benefits for farmers,
businesses and communities, including production of electrical, thermal and
vehicular energy, production of high-quality biofertilizer, reduction of ground
and surface water pollution and reduction of GHG emissions, and foments new income for the farmers, among others. A new
concept is presented in this article to make biogas systems feasible, i.e., biogas condominiums, as
small and medium-scale farms by themselves usually would not be able to afford
the investments. This arrangement can bring benefits for the whole biogas
supply chain that includes farmers, agroindustry, providers and local
community.
KEYWORDS
Biogas condominiums, biomethane, livestock, climate changes.
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