With the publication of its Synthesis Report in March 2023, the Intergovernmental Panel on Climate Change (IPCC) has completed its work programme for the sixth assess­ment cycle. The IPCC reports, and in particular the respective Summary for Policy Makers (SPM), provide a scientific basis for...

The upcoming United Nations Climate Change Conference in Dubai (COP28) will see a new round of battle regarding the call to phase out fossil fuels. Intense debates have taken place in Germany and the European Union (EU) to determine positions in the run-up to the conference. The main point of...

The outcome of the 28th UN Climate Change Conference shows that international co­operation remains possible despite today’s challenging geopolitical situation. Instead of the feared blockade, an agreement was reached for the first time - some three decades after the start of the COP process -...

This paper discusses structure, impact, costs, and efficiency of renewable energy supply in the eight largest advanced economies (the G-7 plus Spain), with focus on Germany. Renewables production costs are compared to benefits, defined as reductions in net carbon emissions; technological...

Much of the guidance about potential impacts of reduce emissions from deforestation and degradation (REDD) speculates how efforts would be implemented and draws lessons from other mechanisms, such as payments for ecosystem services (PES). However, with few REDD activities underway, little...

Global governance institutions for climate change, such as those established by the United Nations Framework Convention on Climate Change and the Kyoto Protocol, have so far failed to make a significant impact on greenhouse gas emissions. Following the lead of Elinor Ostrom, this paper offers an...

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...

The present thesis deals with carbon sequestration options in the Kyoto Protocol, namely carbon sequestration in the terrestrial biosphere and carbon dioxide capture and storage (CCS). Chapter 2 investigates the negotiation process on Land use, Land-use change and Forestry (LULUCF) under the...