A cruise ship leaves the bay of Havana in Cuba, on June 5. Worldwide, the cruise industry is investing billions of dollars in new technologies and cleaner fuels to reduce air emissions. Photo: Reuters

Letters | Cruise ships are actually leading the way in reducing carbon emissions

Topic |   Hong Kong shipping and logistics
A cruise ship leaves the bay of Havana in Cuba, on June 5. Worldwide, the cruise industry is investing billions of dollars in new technologies and cleaner fuels to reduce air emissions. Photo: Reuters
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