Berlin / DPA In the middle of southern Israel’s desert, engineers are hard at work building the world’s tallest solar tower, reflecting the country’s high hopes for renewable energy. Once completed in late 2017, the Ashalim Tower will rise to 240 metres (787 feet), taller than Paris’s Montparnasse Tower and London’s Gherkin, according to the Israeli government and the consortium ...

  Bloomberg The U.K. referendum on European Union membership entered its final stages as David Cameron tried to capitalize on a swing in momentum back to the “Remain” campaign and former London Mayor Boris Johnson accused the prime minister of having nothing to offer voters. The pound surged on Monday as investors grew more confident British voters will opt to ...

  Luxembourg / AFP A British vote to leave the European Union would be “irreversible” and the country could only rejoin the bloc on what would be unacceptable terms, Foreign Secretary Philip Hammond warned on Monday. “The message we are trying to get across to the British people is that this is an irreversible decision — if they decide to leave, ...