According to a study by the Helsinki-based Centre for Research on Energy and Clean Air (CREA), China’s carbon emissions declined in the first half of 2025 by 1% as compared to the same time in 2024, which is a significant development for worldwide climate efforts. This decrease, the first significant one outside of pandemic-related disruptions, suggests that the nation may be making headway toward its lofty targets of reaching net-zero by 2060 and peaking emissions by 2030. The findings, mainly resulting from a spike in renewable energy usage, reveal how China’s energy environment is evolving in response to economic challenges and global pressure to reduce greenhouse gas emissions. As the largest emitter of CO₂, these changes may significantly impact the course of global warming.

Renewable Energy Drives Power Sector Reductions

China’s largest source of greenhouse gas emissions, the power industry, reduced emissions by 3% between January and June 2025. In a piece for the UK-based Carbon Brief, chief analyst Lauri Myllyvirta of CREA ascribes this to the quick growth of solar generating capacity. With more and more solar installations replacing fossil fuels in the production of power, China is poised for yet another record-breaking year. A partial move toward cleaner but still carbon-emitting alternatives may be seen in the 3% decline in coal use in power generation and the 6% increase in natural gas consumption.

Building on years of investment in clean energy infrastructure, this renewable growth is not unique. The development of wind and solar power plants has surpassed that of coal plants, and the proportion of clean energy in the electrical mix has been gradually increasing. According to Myllyvirta’s research, if present patterns continue, China may experience its first full-year emissions decrease since 2022, when COVID-19 lockdowns momentarily stopped industrial production. The Ministry of Ecology and Environment has not yet responded, though, so formal confirmation is still pending.

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Sectoral Challenges Amid Overall Progress

Due in significant part to a slow real estate market that has reduced demand, emissions reductions went beyond power to important industries including steel, metals, cement, and construction materials. These historically coal-intensive industries profited from economic downturns, which helped to explain why China’s carbon emissions declined in the first half of 2025 by 1%.

However, not every region did the same. Emissions from the chemicals industry continued to climb, defying the trend. In the first half of 2025, coal-to-chemicals operations—which produce petrochemicals and synthetic fuels—rose by 20%. Long-term ambitions are at risk because of this expansion, which has increased China’s overall emissions by 3% since 2020 and could add another 2% by 2029. Analysts caution that advances elsewhere could be undermined if this industry is not curbed.

China’s future course hinges on striking a balance between decarbonization and economic revival. Renewable energy sources have potential, but the continued use of coal in chemicals highlights the need for legislative changes. This half-year drop, if maintained, may speed up international efforts, but obstacles like industrial changes and energy security still stand in the way.

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