Nonprofit research institute · Seoul, Koreacontact@planit.institute

Decarbonizing Korean Shipping (1-1): Shipping vs Shipbuilding — Key Concepts

The opening installment of the 13-part series Decarbonization Journey: Shaking Korean Shipping, co-produced by ClimateInFact and PLANiT, lays out the foundational concepts anyone needs to understand the debate.

Shipping vs Shipbuilding

These two industries are frequently confused. Shipbuilding (조선) is the design and manufacture of vessels — think Boeing or Airbus, but for ships. Shipping (해운) is the operation of those vessels to transport passengers and cargo — think Korean Air or Delta, but on the sea.

Korea excels at the former. Its shipbuilders produce the world's most advanced eco-friendly vessels. The problem: most of those vessels are owned by foreign carriers. The best Korean-built ships arrive at Korean ports flying foreign flags and compete against Korea's own, ageing fleet.

Why Shipping Matters

Sea freight carries more than 80% of global trade by volume and over 99% of Korea's imports and exports. Every item of daily life — food, clothing, electronics, raw materials, the coal and gas that generate electricity — arrives by sea.

Key Terms Explained

  • TEU / DWT / CBM / CEU — unit measures for container ships, bulk/tanker vessels, gas carriers, and car carriers respectively
  • BDI (Baltic Dry Index) — leading economic indicator tracking bulk freight rates
  • Shipping alliances — partnerships where carriers share routes, vessels, and ports to expand network coverage (one carrier serving 50 ports weekly can reach 150 ports three times weekly through two alliance partners)
  • IMO — the UN agency setting international ship safety and emissions standards; currently enforcing EEXI and CII regulations and targeting net-zero international shipping by 2050
  • Alternative fuels — ammonia, hydrogen, biofuels, green methanol; LNG serves as a transitional fuel but is still a fossil fuel

Korea's Competitive Position

Over the past decade Korea's fleet capacity grew just 2.2% — versus 77.7% for Taiwan and 32.8% for Japan over the same period. The average age of Korea's fleet is six years older than Japan's and seven years older than China's. This structural gap is the context for the entire series.

Mode: