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New wind-powered propulsion systems face old obstacles

Futuristic systems designed to harness wind power for cargo ships have the potential to reduce greenhouse gas emissions. Whilst technically efficient, they face physical limitations when applied to large vessels. And as long as fossil fuels remain cheap, shipowners’ interest remains limited: to date, only one in every ten thousand ships has been fitted with such systems.
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Goliath versus David – USA contra Vanuatu

Vanuatu is fighting desperately to avoid being submerged by rising sea levels caused by climate change. The archipelago has secured a groundbreaking opinion from the International Court of Justice: climate protection is an obligation under international law. Now the US is taking steps to prevent a corresponding resolution from being adopted by the UN General Assembly.
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Saillink – the sailing ferry

Ferries are usually fast and therefore consume a lot of fuel. Saillink has set up a sailing ferry service between Boulogne-sur-Mer and Dover using a catamaran. 2025 was the first year of operation, and in 2026 the young company plans to test another route between Normandy and Sussex.
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Some basic elements of sailing

The oldest depiction of a sail dates back to ancient Egypt. Around the globe, peoples have used the wind for seafaring with a wide variety of sail shapes. The type and shape of the sail depended on the shape of the hull, the wind conditions in the area where the ship was sailing, its purpose, the materials available, and the size of the crew. Sailors have always incorporated their experience into the next new ships they built.
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Holistic ship project from the jungle

For years, the project has been a magnet for cargo sailing activists, wooden boat builders, and ecologically motivated volunteers. The Costarican company Sailcargo Inc. is building the wooden sailing cargo boat «Ceiba». Jobs and training for the local population, a reforestation program, and the cultivation of organic vegetables made the «Green Shipyard» an all-round ecological and social project. After setbacks, work is currently underway to resume construction.
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