Longer Shipping Routes Contribute to Increased Carbon Emissions

Carbon dioxide emissions from shipping increased by 23 million tonnes in the first half of the year, with the industry’s emissions reaching around 450 million tonnes. The rise was attributed to ships taking longer routes to avoid attacks in the Red Sea, particularly affecting container ships which emitted around 15 percent more during this period. This increase highlights the challenges the shipping industry faces in meeting global emissions targets set by regulators.

The attacks by Yemen’s Houthi militias in the Red Sea forced ships to pass through South Africa instead of using the Suez Canal, adding thousands of kilometers to their journey. Sanctions against Russia over its invasion of Ukraine have also led to cargo being transported over longer distances, contributing to the overall increase in emissions. The industry’s goal of achieving zero greenhouse gas emissions by mid-century will require a significant transformation given its heavy reliance on fossil fuels.

Despite efforts to become more environmentally friendly, the data shows a long-term trend of rising emissions in the shipping industry. The International Maritime Organization has set emissions targets for the sector, with annual CO2 emissions from shipping exceeding one billion tonnes in 2018. Achieving the goal of zero greenhouse gas emissions by mid-century will require significant changes within the industry.

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