The struggle for control of the Arctic is accelerating - and riskier than ever

Tensions are growing at the top of the world. US President Donald Trump wants Greenland, Russia is modernising its Arctic military bases, Chinese icebreakers are opening new routes and spies are being unmasked. But as the battle for one of the world’s coldest places heats up, an increasingly fragile security balance may be breaking down, leading to an escalating arms race.President Trump has