But how long will this wintry spell last, and what can we expect as the Atlantic tries to reassert itself? In this week’s Deep Dive, we’ll explore the latest conditions, the science behind the snow ...

A diver plunged more than 50 metres under the icy waters of Plaun da Lej in Graubünden, Switzerland, to raise awareness about climate change while breaking a world record. Waldemar Bruderer ...