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Between the second half of the 2000s and the first half of the 2010s, the prospect of shale gas extraction in Europe at first prompted fervent political support, then met with local and national opposition, and was finally rendered moot by a global collapse in the oil price. In the Europe-wide protests against shale gas and the main technique employed to extract it, hydraulic fracturing (or fracking), counter-expertise played a crucial role. This kind of expertise is one of the main elements of "energy citizenship," a concept recently developed in the field of energy humanities which describes the empowerment of citizens in decision-making processes related to energy issues. This paper provides a socio-historical analysis of the co-production of counter-expertise and energy citizenship in the two European countries endowed with the largest shale gas reserves: Poland and France. In my analysis, concerns over the disruption of the food-water-energy nexus due to possible pollution emerge as particularly important. I argue that the exchange of information between activist groups and NGOs, as well as between activist groups from distant European locations, allowed for the creation of a genuinely transnational and science-based anti-fracking movement., (© 2022. The Author(s).)

In order to take account of the negative effects of invasive species and pathogens on networked forest areas, we study the dynamics of stochastic closed-loop input-output systems faced with the risk of external random perturbations. The extension of previous works on robustness is carried out by introducing a negative feedback mechanism, such that the output from an element contained in the system behaves as a negative input toward elements to which it is connected. Through the study of an overall network divided into compartments barely connected to one another, we first consider the pathway pertaining to monofunctional zoning. By looking at a single aggregated structure, we then move our focus to the pathway proper to multifunctionality. Our results show that, at significant time scales, the monofunctional-zoning mode of forest governance, generally applied in Australasia, performs robustly against invasive biological threats at all levels of outbreak probability. The multifunctional mode of forest governance, further practiced in Western Europe, is mainly sturdy when the probability of invasion verges into certainty. Should this not be the case, robustness is ensured would disturbers and perturbations be uncorrelated. Accordingly, the monofunctional pathway can afford adopting control strategies for outbreak avoidance, which is only acceptable in case the expected invasion can be halted. For the sake of maintaining low likelihood of invasion, the multifunctional pathway is compelled to applying preventive strategies., (Copyright © 2018 Elsevier Ltd. All rights reserved.)