排放量相当于1.2万辆汽车！邮轮业“急需”绿色突围

Group 1 - The cruise tourism industry is experiencing unprecedented popularity, with the number of cruise ships exceeding 300 and passenger capacity surpassing 635,000 in 2024 [3] - The industry is projected to witness a record of over 31.7 million passengers in 2024, generating an economic impact of $168.6 billion [3] - The cruise operators are under pressure to adopt more environmentally friendly practices, with a goal of achieving "net zero emissions" by 2050 [3][4] Group 2 - Norwegian operator Hurtigruten aims for "zero emissions" by 2030, investing €100 million ($113.7 million) in environmental upgrades [4] - French cruise company Ponant is also targeting 2030 for carbon-neutral transoceanic voyages using wind energy and liquid hydrogen fuel cells [4] - Viking Cruises plans to deliver a hydrogen-powered zero-emission cruise ship by 2026 [4] Group 3 - The industry is exploring green technologies and operational solutions, including more efficient engines and improved waste management systems [6] - The legal framework for responsible cruise travel includes key treaties from the International Maritime Organization (IMO) and regional organizations promoting environmentally responsible practices [6] Group 4 - Liquefied natural gas (LNG) has become the leading alternative fuel, reducing the use of heavy fuel oil from 74% in 2019 to 54% in 2023 [8] - While LNG is considered a cleaner fuel, concerns remain about methane emissions, prompting interest in renewable mixed energy sources like green methanol and hydrogen fuel cells [8] - The industry is investing billions in various development paths, with a focus on zero-carbon solutions such as hydrogen and ammonia fuels [8]