The Answer is Blowing in the Wind: New Study Shows Huge Potential for Wind-Powered Shipping
BRUSSELS – A landmark study released by Seas At Risk has revealed that the global shipping fleet could significantly cut carbon emissions immediately by returning to an ancient power source: the wind.
The study, which analyzed a massive 1.74 billion kilometers of real-world ship travel data—the equivalent distance from Earth to Saturn—found that installing wind propulsion technology could reduce fuel use across the entire industry by 6.3% to 9.4% almost overnight.

The Power of Retrofitting
One of the most important takeaways from the report, “A Global Fleet Under Wind: Scaling Wind Propulsion for Emission Reduction, Energy Demand and Equity“, is that we don’t have to wait for “ships of the future” to be built.
Most vessels that will be sailing in 2030 are already in the water today. By retrofitting these existing ships with modern sails and wind-assist technology, the industry could save up to 762 million tonnes of CO2 by 2050.
“The ships needed to reach 2030 climate targets are already at sea and they can be powered by wind,” says Anaïs Rios, Senior Shipping Policy Officer at Seas At Risk. “Wind propulsion is not a future option, it’s a solution we can deploy today.”
Key Findings at a Glance
The research, conducted by the Tyndall Centre for Climate Change Research, highlights several critical points:
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Targeting the Big Players: Just 17% of vessels—mostly large tankers and bulk carriers—are responsible for 50% of the potential savings.
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Saving Green Fuel: Using wind takes the pressure off the supply chain for new “e-fuels,” which are currently scarce and expensive.
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Policy is the Bottleneck: Despite the technology being ready, the study warns that without stronger laws, wind power will only account for a 0.2% reduction by 2050.
A Call for Global Action
The report makes it clear: the technology is ready, but the rules are lagging. Seas At Risk is calling on the International Maritime Organization (IMO) to create a “Net-Zero Framework” that rewards companies for taking early action.
Policy Recommendations:
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Recognize Real Savings: Fuel savings must be reflected in the Carbon Intensity Indicator (CII) so wind-assisted ships get better ratings.
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Price Pollution Correctly: Remedial Units (penalties for over-emitting) must be expensive enough to make installing sails the cheaper financial choice.
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Direct Revenues to Solutions: Funds gathered from shipping emissions should be used to help developing countries transition to these green technologies.
As the maritime industry faces a looming deadline to cut emissions by 30% by 2030, wind propulsion stands out as the most “plug-and-play” solution available to keep the planet—and the industry—on course.
For press enquiries: Louisa Gray, Communications Officer, Seas At Risk: lgray@seas-at-risk.org Watch the Webinar: Register here for the full report breakdown.