Stella McCartney to launch UN charter for sustainable fashion

Designer aiming to make business case for why brands should tackle climate change

A guide to party dressing for men: velvet, dicky bows – and mortarboards

Whether you channel Timothée Chalamet in a tux or keep it casual à la Ralph Lauren in jeans, there are plenty of glad rag options on the high street. Here are six looks to consider

Under wraps: the rise of the blanket-scarf

The autumn/winter catwalks had the trend for oversized scarves well covered. How did it become cool to be swaddled?

From Lady Gaga to polo-neck hair: this season’s fashion trends

What’s hot and what’s not in fashion this autumn/winter

Five key fashion trends for autumn

From the best coats to the boots to be seen in, here are the catwalk motifs to take to the streets

• The Observer’s ultimate guide to autumn culture
• Jay Rayner on the best of autumn food
• Andrew Rawnsley on what to expect from politics

The September issues: autumn’s big fashion magazines digested

From Vogue to Elle, we read 1,450 pages of the biggest fashion magazine September issues, so you don’t have to. Here’s what you need to know