How megaships cause mega problems

When the Ever Given became stuck in the Suez canal in March 2021, people woke up to the sheer size of these megaships. But these vessels, which now dominate container shipping, have been quietly ballooning in size for more than 50 years, and even doubling in capacity every few years since the turn of the millennium. The bigger they have grown, the more problems they have caused for consumers and producers, problems that extend much further than getting stuck