EU Carbon Border Adjustment Mechanism Enters Definitive Phase in 2026

Author: Liam Nguyen
Published: 2025-06-26 at 08:06
Category: Trade
Language: English
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Keywords:
Cbam Carbon-tariff Climate-policy Trade-war Eu Emissions Import
The EU's Carbon Border Adjustment Mechanism (CBAM) is now fully operational, requiring importers to pay for carbon emissions embedded in goods like steel and cement. This climate policy aims to prevent 'carbon leakage' but risks trade tensions as the UK and Australia prepare similar schemes. Recent simplifications exempt small importers while maintaining environmental integrity.
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What is CBAM and Why Does It Matter?

The European Union's Carbon Border Adjustment Mechanism (CBAM) is now fully operational, marking a significant shift in global climate policy enforcement. Starting January 2026, importers bringing carbon-intensive goods into the EU must purchase CBAM certificates corresponding to the greenhouse gases emitted during production. This groundbreaking system replaces the transitional phase that began in October 2023, where importers only reported emissions without financial penalties.

How the System Works

Under the definitive regime, importers of cement, iron/steel, aluminum, fertilizers, electricity, and hydrogen must:

  1. Declare embedded emissions in their goods annually
  2. Buy CBAM certificates priced according to the EU Emissions Trading System (ETS) weekly auction average
  3. Surrender certificates to cover emissions

If producers can prove they've already paid carbon costs in their home countries, those amounts are deducted. The mechanism is designed to be WTO-compatible while preventing "carbon leakage" – where companies relocate production to regions with weaker climate rules.

Global Reactions and Trade Implications

The policy has ignited international debate. While environmental groups applaud the move, trading partners like China, India, and Russia have expressed concerns about disguised protectionism. The UK is preparing its own CBAM for 2027, while Australia recently recommended a similar scheme focusing on cement imports.

According to an IISD report, carbon leakage offsets 13-25% of emissions reductions achieved through carbon pricing. CBAM aims to close this gap but risks triggering retaliatory measures. The WTO is currently mediating discussions about fair implementation.

Simplification for Businesses

In February 2025, the EU proposed a simplification package including:

  • A 50-tonne de minimis threshold exempting small importers
  • Streamlined authorization processes
  • Enhanced anti-circumvention measures

This would cover 99% of emissions while reducing administrative burdens for 90% of businesses. Non-EU producers can now register emissions data in the CBAM registry for automatic reporting.

What Comes Next?

By 2030, CBAM will expand to all sectors covered by the EU ETS. Free allowances for EU industries will phase out completely by 2034. The Commission is developing support mechanisms for developing countries to ease the transition.

As the world's first comprehensive carbon border tax, CBAM sets a precedent that could reshape global manufacturing and accelerate decarbonization – but only if implemented fairly across trading blocs.

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