World’s billionaires lose £215m each as global economy struggles

Study finds billionaire population grew in 2015, but total wealth of this group fell by nearly £250bn as economic growth stalled

‘This is just the start’: China’s passion for foreign property

A huge new wave of Chinese investment in overseas housing may be about to flow into the global market. In Hong Kong, Tom Phillips meets the salesmen who market British property to mainland China

Pacific ​​islands nations consider world’s first treaty to ban fossil fuels

Treaty under consideration by 14 countries would ban new coalmines and embraces 1.5C target set at Paris climate talks

Which is the world’s most stylish city?

Does real style come from a city with a rich manufacturing history (Milan), high-end designers (Paris), the avant garde (Tokyo) … or more unlikely places?

Italy seeks to reassure Asian tourists with imported Chinese police

Government hopes patrols by Chinese officers in Rome and Milan will help wealthy visitors feel ‘more protected’

Leopards have lost 75% of their historical habitat

New research shows the big cats’ global range has shrunk by a shocking amount over the last 250 years