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 ...

His derring-do and unusual lung capacity led him to make record-breaking dives of more than 200 feet into the Atlantic without wearing a scuba tank or fins. By Richard Sandomir Bob Croft, a daring ...