By March this year, the Arctic had shrunk to the smallest size ever recorded but we have an opportunity to reverse these trends when the Marine Environment Protection Committee of the International Maritime Organization meets this week, says Ranulph Fiennes.

HAPAG-LLOYD and Maersk Line are among ship owners facing a $100 billion (€77.5bn) bill to cleanse ballast water that spreads diseases such as cholera and invasive species, including mitten crabs, adding to costs as cargo rates slump.