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The research assesses the effectiveness of carbon abatement projects funded by municipal green bonds in Sweden, finding that clean energy production, particularly wind energy, is more cost-efficient than other emerging technologies like carbon capture storage. The study utilizes life-cycle costs and considers all greenhouse gases to evaluate these investments, noting that the Swedish carbon tax serves as an effective incentive for clean energy projects.

The 2007-2008 drought in Barcelona was the most severe in the last century, resulting in total estimated losses of 1,661 million Euros for a one-year period, approximately 1% of the Catalonian GDP. The study categorizes costs into direct losses for economic agents (540.26 million Euros), indirect losses to the regional economy (358.47 million Euros), and non-market welfare losses (761.95 million Euros). To mitigate the crisis, the Government of Catalonia implemented demand-side restrictions and supply-side measures, including the shipping of water from France and Tarragona. The authors find that demand-side constraints were significantly more cost-efficient than water transport. Climate projections for the region suggest that the frequency of drought events may double, with increased duration and intensity.