Japan’s FY2024 greenhouse gas emissions drop, marking the lowest levels since records began in 1990. Recent government data shows that emissions fell by 1.9% compared to last year, mainly due to lower industrial energy use and greater reliance on renewable or nuclear energy sources. This progress shows the slow-but-steady move for Japan toward clean energy while balancing economic recovery and industrial demand.

What Drove Japan’s Record-Low Emissions in FY2024?

• Industrial slowdown and efficiency gains: The industrial sector emissions reduced by 2.5%, owing to higher energy efficiency levels and lower industrial production. As per the International Energy Agency report, energy efficiency improvements alone can account for up to 40% of the world’s total emissions reductions needed by 2040.
• Increase in renewable energy: Renewable energy sources contributed to 23.1% of Japan’s total electricity production, with an increasing trend in renewable energy capacity. Solar energy is one of the significant sources, and Japan ranks among the top 5 solar markets worldwide.
• Resurgence of nuclear energy: Nuclear energy accounted for 9.4% of the total electricity production, up by 0.9%. The revival of nuclear power plants after the Fukushima disaster is responsible for reducing fossil fuel consumption.
• Decrease in thermal energy production: Thermal energy production has been reduced to 67.5% of the total electricity production, which includes coal (28.1%), natural gas (32.2%), and oil (7.2%).

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How Did Different Sectors Contribute to the Emissions Decline?

• Transport sector advancements: There was a decrease in emissions by 1.6%, mainly driven by fuel efficiency and the electrification of transportation.
• Reduction from household energy consumption: The contribution from household emissions decreased by 0.7%, largely owing to the use of energy-efficient appliances and conservation practices.
• Commercial sector emissions growth: The emissions from the commercial and services sectors showed a growth of 0.2%, possibly attributed to an economic rebound following the pandemic.
• Decline in carbon sink effectiveness: Carbon sink capability was reduced by 2.9% to 52.3 million tons, suggesting difficulties in preserving natural carbon sinks as forests mature.

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Is Japan Fulfilling Its Climate Intention?

Japan intends on cutting 46% of the greenhouse gases emitted since 2013 within the timeframe of 2030, and so far, for FY2024, there has been an approximate 24.9% reduction, which shows that Japan is making good strides beyond initial expectations, but must continue at an accelerated pace to meet the target in 6 years. The peak year for emissions occurred at 1.394 billion tonnes in FY2013 after the nuclear shutdowns from reliance on fossil fuels, which illustrates how far the country has come in moving towards a new energy source since then.

Japan’s FY2024 greenhouse gas emissions drop helps show a clear upward trend for Japan’s climate policy due to the mix of technological advancements, energy transformation, and policy reform as contributing factors. Japan’s being at historically low emissions levels displays that progress is being made; however, sustained momentum with the implementation of greater systemic transformation will be critical for Japan to achieve its ambitious targets for 2030, as well as to achieve net-zero by 2050.

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