Hydraulic fracturing or fracking technology associated with horizontal drilling has been widely diffused in the United States of America in the exploration of Shale Gas with the support of public policies, including significant government subsidies in a process of learning by doing. This spread led several countries to start a race to explore gases in non-conventional reservoirs, including Brazil. However, there are intense concerns on the part of the government and the scientific and civil society around the fracking due to the diverse environmental and social impacts. Aspects such as the scarcity of water resources, the possible contamination of surface and groundwater, the risk of seismic events, expenses with treatments and mitigations, and the questionable increase in job and income motivate combined and deeper analysis of the activity. This study proposed to analyze the impacts of shale gas exploration using a system dynamics approach. The causal link diagram simulated both positive and negative scenarios to help countries decide whether or not to use shale gas as a source in the energy matrix.


Gomes, Andra;  Ferreira, Paula;  Cruz, Amarildo;  Freire, Estevdo;  Borges, Luiz

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