The European Union (EU) ’s landmark Carbon Border Adjustment Mechanism (CBAM) has officially entered its comprehensive mandatory reporting phase, kicking off a new era of global carbon-regulated trade. Widely regarded as the world’s first systematic cross-border carbon tariff policy, the mechanism requires overseas manufacturers and exporters of six high-carbon industrial sectors – steel, cement, aluminum, fertilizers, electricity, and hydrogen – to submit full quarterly carbon emission data for all products entering the EU market.
Under the current transitional arrangement running until 2028, no financial carbon duties will be levied on imported goods. Nevertheless, strict data disclosure rules are now fully enforced. Enterprises must record and report direct and indirect carbon emissions generated throughout production, energy consumption, and manufacturing processing. Starting from 2029, the transitional period will end, and formal carbon border tariffs will be fully implemented. Foreign exporters will be obligated to purchase EU carbon allowances corresponding to the carbon footprint of their commodities, meaning that high-emission products will face rising cost pressure and weaker market competitiveness in Europe.
The new policy has triggered widespread adjustments across global industrial and supply chains. Major emerging economies, including China, India, Russia, and Turkey, are key affected exporters, as their heavy industrial products account for a large share of EU imports. Many international industrial enterprises have accelerated low-carbon upgrades, upgrading energy-saving equipment, optimizing production workflows, and replacing fossil energy with clean power to lower product carbon intensity. Meanwhile, multinational trading companies have begun establishing standardized carbon accounting systems to comply with EU regulatory requirements and avoid trade barriers.
International economic institutions have released updated assessments on the policy’s global spillover effects. The World Trade Organization (WTO) warned that while the CBAM aims to advance global climate governance and prevent carbon leakage, it may also evolve into a new form of green trade protectionism. For developing countries with relatively backward low-carbon technologies and high reliance on traditional manufacturing, the increased compliance costs will squeeze export profit margins and slow down industrial export growth in the short term.
In contrast, European authorities emphasized that the mechanism creates a fairer competitive environment. EU local manufacturers have long been subject to strict domestic carbon emission quotas and carbon pricing systems. The CBAM is designed to prevent foreign low-cost high-carbon products from gaining unfair advantages, pushing global industries to converge toward unified low-carbon development standards.
Market analysts pointed out that the launch of the CBAM formal reporting period marks a critical turning point in global trade rules. In the future, carbon competitiveness will become a core indicator of international trade competition. Global industrial chains will gradually restructure toward low-carbon, green, and sustainable development, driving long-term transformation in traditional high-energy-consuming industries worldwide.