In the coming months, the European Commission is tasked with proposing an EU climate target for 2040 and exploring potential changes to the ETS carbon trading scheme. Within this context, the role of Carbon Dioxide Removal (CDR) and its possible integration in the ETS is emerging as a key, but challenging, consideration. We must tread carefully. Joint op-ed with Mark Preston in Euractiv (English) and Tagesspiegel Background (German).