This work investigates the extent to which the European Union functions as a credible and effective leader in the global arena of climate change politics. Rudiger K. W. Wurzel, a scholar specializing in environmental policy and European governance, examines the mechanisms through which the EU attempts to influence international climate negotiations. The book evaluates the internal policy consistency of the EU alongside its external diplomatic strategies to determine if its leadership claims are supported by empirical outcomes in international climate regimes.

Experts in European studies and environmental politics frequently cite this text for its rigorous analysis of the intersection between internal policy-making and external diplomatic influence. Scholars note that the book provides a balanced assessment of the EU's successes and limitations in the complex landscape of global climate governance.