Experts say booming demand for holidays afloat mean ocean liners’ burden on the environment is growing
The huge passenger vessels sometimes known as “cruisezillas” are getting bigger than ever, according to new research which has found that the world’s biggest cruise ships have doubled in size since 2000.
Industry projections suggest about 35 million passengers will travel the seas on cruise ships this year – a 6% increase from pre-pandemic levels which analysts attribute to rising wealth. Research published by JP Morgan in June found that demand for cruises “remains robust” and noted that the cruise industry had moved beyond its core market of baby boomers to increasingly attract millennials.
The report was published as European ports deal with an influx of cruise ships during a summer marred by scorching heatwaves exacerbated by the climate crisis. As residents have complained about pollution and what they see as “overtourism”, a handful of ports have cracked down on cruise ships. Barcelona hasto join Amsterdam in taxing cruise visitors, who often only spend a few hours in the city, while Amsterdam hasto close its central cruise terminal, as Barcelona did in October.
The total lifetime revenue that can be generated by adding extra passengers is greater than the expense of building a bigger ship and hiring more crew, said Comer. “Plus, everyone wants to have the biggest ship.” In its roadmap for reaching net zero emissions by 2050, the International Energy Agency expects 44% of the energy needed for international shipping to come from ammonia, followed by hydrogen , biofuels and methanol . These currently stand at 0% today.
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