The European Emissions Trading System (EU ETS) constitutes a central European climate policy instrument. Since its start of operation in 2005, the carbon market has grown considerably in terms of trading volume and also with regard to the various players being active. This report is part of the...

In addition to carbon dioxide, air traffic operation affects the climate through other emissions and atmospheric processes, such as the formation of ozone and contrail cirrus. The climate impact of these non-CO2 effects is strongly dependent on the emission location (in particular cruise...