Legal entities or persons might want to neutralize the greenhouse gas emissions they have caused with their activities. In the context of this paper, voluntary compensation is defined as the cancellation of emission reduction credits that have been generated in a project-based approach. The...

As GHG emissions did not decline as anticipated early of the 1990ties Carbon Capture and Storage (CCS) recently gained more and more attention as a climate change mitigation option. However, CO2 suppressed in geological reservoirs is likely to lead to future releases of the CO2 stored. This...