Why the World’s Container Ships Grew So Big (NYT)

For decades, shipping lines have been making bigger and bigger vessels, driven by an expanding global appetite for electronics, clothes, toys and other goods. The growth in ship size, which sped up in recent years, often made economic sense: Bigger vessels are generally cheaper to build and operate on a per-container basis. But the largest ships can come with their own set of problems, not only for the canals and ports that have to handle them but for the companies that build them.

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