CBAM: an audio-style guide

If I were explaining CBAM to a new colleague in Brussels, I would not begin with a definition. I would begin with the scene. This card sits in Ch.6 Green Transition. Its wider background is this: climate policy connects targets, markets and funding tools. The essential point is simple: A carbon levy on imports of carbon-intensive goods to prevent 'carbon leakage'; the definitive regime began on 1 January 2026 (transitional phase 2023–2025).

The reason this matters is that EU history is rarely a list of isolated facts. It is a chain of choices, compromises and institutional consequences. Here, the useful nuance is: Covers cement, iron & steel, aluminium, fertilisers, electricity and hydrogen. That sentence turns the card from a memory test into a piece of political and legal understanding.

A good EU official listens for the structure beneath the story. Who is acting? Which institution has the power? Which treaty, procedure or policy instrument gives the action its force? With a date, do not leave the year floating. Ask what the Union looked like before the event, and what became possible afterwards. That is also how EPSO distractors are built. They sound familiar, but one institutional detail is out of place.

Use Reg. (EU) 2023/956 as your bookmark. Then say the card aloud in one flowing sentence: CBAM matters because A carbon levy on imports of carbon-intensive goods to prevent 'carbon leakage'; the definitive regime began on 1 January 2026 (transitional phase 2023–2025). If that sentence sounds natural, you are no longer memorising a flashcard. You are learning to explain the Union as a living system.