Japan’s top polluters face new rules as carbon market advances

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illuminem summarises for you the essential news of the day. Read the full piece on Japan Times or enjoy below:

🗞️ Driving the news: Japan is introducing mandatory climate reporting rules for major polluters as part of the next phase of its national emissions trading system
• Starting in April, around 300–400 companies emitting at least 100,000 metric tons of direct (Scope 1) emissions annually must begin reporting their emissions

🔭 The context: The reporting requirement is a preparatory step for Japan’s Green Transformation Emissions Trading System (GX-ETS), a cap-and-trade market designed to regulate emissions from heavy-polluting industries
• Companies will have until September 2027 to submit full emissions calculations and reduction targets before trading in emissions allowances begins in 2027

🌍 Why it matters for the planet: The companies covered by the new rules account for roughly 60% of Japan’s emissions, making the GX-ETS a central policy tool for the country’s goal of reaching net-zero emissions by 2050
• The system could accelerate decarbonization in key sectors such as aviation, manufacturing, and energy

⏭️ What’s next: Japan is expected to allocate emissions allowances and launch trading in the carbon market next year
• Policymakers have already introduced price floors and ceilings for carbon allowances through 2030, though analysts warn that the use of carbon credits and price controls could weaken incentives for rapid emissions cuts.

💬 One quote: “The use of carbon credits and price controls may limit the ability of the program to incentivize short-term emissions reductions,” - Bloomberg Intelligence strategist Yasutake Homma.

📈 One stat: Companies subject to the new rules represent about 60% of Japan’s total greenhouse gas emissions.

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