In the European Union (EU), a second emissions trading system (EU ETS2) covering buildings, road transport and small energy and industrial installations is expected to be introduced from 2027. Until 2030, however, EU ETS2 will not be a separate pillar of EU climate policy, but will support...

With the Green Deal, the European Union (EU) has not only significantly increased the ambition of its climate policy in recent years, but it has also added an international dimension to European domestic climate policy. In fact, numerous recently adopted legal acts directly or indirectly affect...

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...

The outgoing European Commission has published its Communication on a 2040 climate target as its last major climate policy initiative before the 2024 European elections. By recommending a net emissions reduction target of 90 per cent compared to 1990 levels, it lays the strategic foundations for...

Climate policy in the European Union (EU) and Germany changed significantly with the adoption of net-zero emissions targets. A key new development is the growing importance of carbon management. The umbrella term includes not only the capture and storage of CO2 (carbon capture and storage, CCS),...

Under the European Union Emissions Trading System (EU ETS), operators must surrender allowances corresponding to the emissions of greenhouse gases (GHG) from their installations. The supply of allowances in the EU ETS decreases linearly and, all else equal, is expected to end around 2057. An...

Despite large uncertainties in the fertilization efficiency, natural iron fertilization studies and some of the purposeful iron enrichment studies have demonstrated that Southern Ocean iron fertilization can lead to a significant export of carbon from the sea surface to the ocean interior. From...