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A successful carbon capture and storage (CCS) policy and programme is widely considered essential to curbing carbon dioxide emissions. What explains the strikingly different policy outcomes in two key European Union political heavyweights and coal economies, the UK and Germany? The UK has decided to contract two specific CCS projects, with explicit timelines for realisation; Germany has made no such decisions. From scrutiny of official documents and in-depth high-level interviews, it was found that the UK has more favourable structural capacity, including offshore storage capacity (which evokes less conflict) and significant oil-industry expertise, and thus an easier task. Moreover, this structural capacity has interacted with a solid political commitment to bring CCS forward in the UK, including specific, multistage funding and a high-level drive to develop CCS, especially after 2009. In Germany, by contrast, CCS has encountered increasing local and central opposition since 2009, with the Energiewende and renewables being accorded priority. [ABSTRACT FROM AUTHOR]

To determine whether innovations in policy concerning climate-change mitigation are symbolic or truly radical in the sense of ‘tipping’ existing policy portfolios towards a new instrumental logic, we study policy innovations in the context of pre-existing policy portfolios and analyse the associated dynamics over time. Our analysis is facilitated by a new measurement of policy output, the Index of Climate Policy Activity. This new approach sheds light on the relative importance of policy innovations in complex policy portfolios, and serves as a blueprint for further analyses of the politics of policy innovation. Empirically, we analyse policy innovations within the policy portfolios of energy production in Austria, Germany, and the UK between 1998 and 2010. We find high stability in the instrumental logic but substantial change in policy settings and calibrations. [ABSTRACT FROM AUTHOR]