Carbon Capture and Storage and the Debate on “Difficult or Unavoidable Emissions”

There is now a consensus that carbon capture and storage (CCS) should play a role in achieving climate neutrality. Against the background of national and international developments, the question arises as to which emissions should (or may) be reduced via CCS at all. What is meant by “difficult and unavoidable emissions” in the context of CCS and whether such a focus makes sense also needs to be clarified.