Certificate trading schemes have been discussed as a cost-efficient means of reducing land use in Germany by capping and reallocating permissions to conduct building projects. However, in contrast to the established cap & trade systems for emissions, reputation-seeking politicians would be in...

Biofuels are a renewable alternative for reducing the climate impact of transport. Due to the versatility of biomass and complexity of economics and impacts, biofuels are part of a complex system, which is here analysed from a systems perspective. Several models are developed in order to assess...

The role of permanent carbon dioxide removal (CDR) from the atmosphere is currently the subject of intensive discussion within the context of developing a new EU emis­sions reduction target for 2040 and a German long-term strategy on negative emissions. At the same time, a short-term strategy...

Exclusion zones, like protected areas or setback distances, are the most common policy instrument to mitigate environmental impacts of human land-use, including the deployment of renewable energy sources. While exclusion zones may provide environmental benefits, they may also bring about...