What makes a Marni woman?

Marni is 20 years old this season, which means that its signature look – clompy shoes, schoolgirl silhouettes, lots of wool – has lasted longer than most. Time to cast an eye over the Marni magic

Gears, tears and breathtaking ascents: how I cycled the Dolomites and Alps

With barely any training Peter Kimpton tried to tackle the Haute Route, the highest and toughest cyclosportive in the world. How did it go?

Top 10 sustainable food apps

There are restaurant guide and calorie counter apps aplenty, but what’s out there for consumers with sustainability in mind?

China’s environmental woes inspire art

Exhibition by one of China’s most well-known artists uses stark imagery to shed light on environment issues

Fashion meets renewable energy – clothes that charge your smartphone

From fibres that convert sunlight into electrical energy, to uploading your kinetic energy to a green energy bank, the worlds of fashion and technology are merging

• How can technology advance sustainability in fashion? – live online chat on Tuesday 5 August, 1pm BST

Pedal power: why cycling to school is good for learning and the planet

Schools are starting cycle- or walk-to-school schemes to nurture green thinking and encourage children to be healthy. Matthew Jenkin meets the teachers making a difference