To protect the ocean, some ships harness renewable energy

  Many travels across the ocean in ships powered by fossil fuels, such as coal and oil. To protect the ocean, some ships harness renewable energy To protect the ocean, some ships harness renewable energy Soaking up this CO2 comes with a cost. Here Are Your Best Options “When seawater takes up carbon dioxide, it alters the chemistry of the water,” a process called ocean acidification, says Liz Perotti, education and outreach coordinator with the National Oceanic and Atmospheric Administration’s Ocean Acidification Program. The ship uses wind power and will be able to carry 250 tons of goods. The ship uses wind power and will be able to carry 250 tons of goods. Compared with the largest container ships, which can transport more than 150,000 tons, Ceiba is “quite a small drop in the ocean,” says Jeremy Starn, Sailcargo’s media manager. Seawing can be installed on existing ships, and Airseas is focusing first on the biggest ones — tankers, container ships, and other large vessels. Seawing is an automated device that allows commercial ships to use wind power to help them move. Seawing can be installed on existing ships to reduce their use of fossil fuel.