Greenhouse gas emissions in Japan fell to record low in fiscal 2024

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Japan's greenhouse gas emissions in fiscal 2024 fell 1.9% from the previous year to a record low of about 1.05 billion tons in terms of carbon dioxide, the Environment Ministry said Tuesday.

The decline reflected an increase in the use of renewable and nuclear energy for power generation as well as reduced output in the manufacturing industry.

Net emissions, after the subtraction of absorptions by forests and other carbon sinks, also fell 1.9% to roughly 994 million tons.

The figure, down 28.7% since fiscal 2013, slipped below 1 billion tons for the first time since then.

The government aims to achieve a 46% emissions cut from the 2013 level by fiscal 2030 as it seeks to realize carbon neutrality by 2050.

In fiscal 2024, which ended in March 2025, CO2 emissions from industries declined 2.5%, and those from households fell 0.7%. The transport sector saw emissions drop 1.6% thanks to improved fuel efficiency in freight shipments.