The E- ferry Ellen has been operating between islands in Southern Denmark since 2019. Although it cost 40% more to build than conventional ferries it saves 75% per year in operating costs. It also saves 2,000 tonnes of CO2 from entering the atmosphere and is clean and quiet. -Image by Erik Christensen , CC BY-SA 4.0 , via Wikimedia Commons Problems and solutions Shipping is responsible for almost 3% of global emissions which means around 940 million tons of carbon dioxide. However, the heavy bunker fuel used means that a single container ship also releases 5,000 tons of sulphur oxides (SOx) per year and sooty particulates which contribute to air pollution and are especially detrimental to human health. In 2008 shipping volumes totalled 900 million tonnes. By 2018 they had reached 3 billion tonnes which were carried by 60,000 ships, and that volume is set double on 2015 volumes by 2050. Eighty percent of the world’s goods currently go by ship ...
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