Business

It has been hailed as the most valuable shipwreck in the world. A Spanish galleon, the San José, was sunk by the British off the coast of Colombia more than 300 years ago. It had a cargo of gold, silver and emeralds worth billions of dollars. But years after it was discovered, a debate still rages over who owns that treasure and what should be done with the wreck. The Colombian and Spanish states have staked a claim to it, as have a US salvage company and indigenous groups in South America. There have been court battles in Colombia and…

Despite having the mighty Zambezi River and the massive hydro-powered Kariba Dam, Zambia is currently grappling with the worst electricity blackouts in living memory. The crisis is so severe that cities and towns across the country are sometimes without electricity for three consecutive days, with people counting themselves lucky if the lights come on for an hour or two. The power cuts have come as a shock to the 43% of Zambians who are connected to the grid and have taken electricity for granted all their lives. But one of the severest droughts in decades - caused by the El…