South Korea Says Busy Sea Ports Will Become Bigger, and Cleaner

South Korea says it is about to spend billions of dollars to make some of the busiest ports in the world bigger but also cleaner, producing lower levels of air pollution and greenhouse gases.

The Ministry of Oceans and Fisheries recently announced a 41.85 trillion won ($35.2 billion) plan to expand 12 ports across the country by 2040 and reduce their environmental damage. The government will invest about 16.08 trillion won, leaving the rest to private investors.

The ports will be designed to fuel ships with liquefied natural gas (LNG), which produces lower levels of carbon dioxide than ...