15 of the best easy rural escapes from UK cities

These UK nature sites, from a new book, Wild and Free, offer abundant wildlife within an hour’s drive of a city or town, making them perfect for a day trip.

Tipping point: revealing the cities where exercise does more harm than good

In at least 15 cities, air pollution has now become so bad that the danger to health of just 30 minutes of cycling each way outweighs the benefits of exercise altogether, according to new research

The millionaire’s darling: Zaha Hadid’s urban artworks

The late architect was a favourite of wealthy clients in part for her bold visions of futuristic cities, including extensive subterranean development – a collection of which are being displayed at Zaha Hadid: Early Paintings and Drawings at the Serpentine Sackler gallery, London, until Sunday

The 10 most unaffordable cities for housing … and the most affordable city – in pictures

The 13th annual Demographia international housing affordability survey ranks the affordability of ‘middle-income’ housing in 406 cities – and for the seventh year running, one stood above the rest