Growing North-South tensions are impeding global climate cooperation and hampering Germany’s search for reliable partners. Brazil is a key actor with the potential to alleviate tensions: it sees itself as a bridge-builder and will host the Climate Change Conference in 2025 (COP30). Under their...

Relying on a recent survey of more than 3300 participants from China, Germany and the US, this paper empirically analyzes citizens' perceptions of climate change and climate policy, focusing on key guiding principles for sharing mitigation costs across countries. The ranking of the main...

Plurilateral initiatives are again gaining importance in climate diplomacy as a complement to multilateral efforts – not least in view of the lack of progress in implementing the Paris Agreement and more difficult conditions in the UN process. New alliances are expected to facilitate agreement...