World travelers are well aware of the most expensive cities in the world, particularly in 2023 when global prices rose on average by 7.4%. Three new surveys offer an insight into whether the most expensive cities merit the high price tags—are they the most sustainable and the ones offering the best quality of life?
The Cruise Industry's Green Voyage: A Sustainable Future on the High Seas
07.12.2023 - 00:13 / euronews.com
As major players in the travel industry, cruise lines have a responsibility not only to operate in an environmentally conscious manner but to lead global future-proofing efforts from the vanguard of maritime innovation.
The latest sustainability report from Cruise Lines International Association (CLIA) lays out the ways in which the cruise industry is heading towards a greener future, and how it plans to hit net zero emissions by 2050.
Extensively ratified treaties such as MARPOL (International Convention for the Prevention of Pollution from Ships) have propelled a drive towards reduced greenhouse gases worldwide, but CLIA members are committed to going over and above MARPOL’s requirements, introducing new technologies and practices that will allow them to reduce the rate of carbon emissions by 40 per cent by 2030.
Promoting innovation in maritime technology is at the heart of the cruise industry’s efforts to reduce its environmental footprint. It has made significant investments in the development of green technologies and practices, including, for example, the provision of shoreside electricity for ships. If a docked ship can be connected directly to a power source, engines can be turned off – reducing emissions by up to 98 per cent.
At present only two per cent of the world’s ports have shoreside power, but 46 per cent of cruise ships are plug-in ready. Another 30 per cent can be retrofitted.
Another of the key areas of development is that of sustainable marine fuels. Working with manufacturers and others, cruise lines are exploring various alternatives to traditional fuels, seeking to reduce their reliance on fossil fuels and transition towards cleaner energy.
The International Maritime Organization is calling for a five to ten per cent increase in the uptake of alternative fuels across the maritime industry by 2030, but as yet there are no sustainable fuels available at scale. Increased availability of new fuels at ports around the world requires urgent action from governments to invest in the necessary infrastructure.
Other challenges faced include the storage properties of different fuels – some require more bunker space than others, which impacts their viability for maritime use – and a range of safety aspects.
A variety of new and alternative energy sources are being explored, such as biofuels made from plant material and animal waste; synthetic ‘electrofuels’ (made with captured carbon dioxide), such as e-methane and e-methanol; electric and hybrid batteries; bio and synthetic liquefied natural gas (LNG); methanol and hydrogen fuel cells; wind and solar power.
Successful experiments in this field so far include a net-zero GHG voyage completed by the LNG-powered MSC Euribia in June 2023. This was made
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