Green energy sets sail
LIKE the clippers of old, the cargo ships of tomorrow may one day raise sails, though with a modern twist. They might also sport solar panels, and even glide through the ocean on cushions of air.
Typical cargo ships today are little different from their forbears a century ago: dirty, oil-burning behemoths. Because of their huge size, they’re an efficient way to move goods, but the industry is so vast that the amount of carbon they emit exceeds that of all the world’s aircraft. If the global fleet were a single country, its emissions would rank…
