
Fashion must fight the scourge of dumped clothing clogging landfills
Every year millions of garments are discarded as consumers ditch fast-fashion styles for a new wardrobe. At last the industry is acting – but more has to be done
Every year millions of garments are discarded as consumers ditch fast-fashion styles for a new wardrobe. At last the industry is acting – but more has to be done
Tate Modern, London
Civil rights meet aesthetics in this riveting survey of 20 crucial years of black American art and struggle
Four years ago, Portugal’s capital felt like a ‘city on its knees’. Now it is being touted as hip, cheap and innovative. But is the socialist government failing Lisbon’s poor in its rush to revitalise?
Tate Modern, London
Fight your way through the spindly hordes at this huge, overcrowded Giacometti show and you’ll find a tender, protean artist who is still uniquely strange
The visionary historian, author of two dazzling bestsellers on the state of mankind, takes questions from Lucy Prebble, Arianna Huffington, Esther Rantzen and a selection of our readers
Serpentine Gallery; Serpentine Sackler Gallery, London
From proto-psychedelic film to book chewing, the hardcore conceptual art of John Latham continues to inspire
Royal Academy, London
From singing peasants to Soviet mugshots, history shapes everything in this momentous show
Museum to celebrate career of pioneers who transformed live music with their dazzling light shows
Barbican, London
Prepare to be enchanted by the playful, melancholy, sociable art of Iceland’s Ragnar Kjartansson
The artist and the restaurateur behind Pharmacy 2 form a comic double act with tales of magic mushrooms, mortuaries, and why ‘food is like art without the evidence’
Historic England curators have scoured the country for missing artworks, from lost murals to sold-off sculptures, for a major show
Until now, the idea of flying your own jetpack has been largely fantasy. But 2016 could be the year when it takes off commercially
We associate Barbara Hepworth with St Ives and Yorkshire, but often forget she was a driving force in international modern art. On the eve of a major Tate retrospective Tim Adams tells the dramatic story of this fascinating artist through key pieces spanning 40 years
Tate Modern, London
This major Agnes Martin retrospective contains some gems, but overemphasis on her less original work disguises her worth
There’s an awful lot of fretting about the state of the world in the Biennale’s 88 national pavilions, but little power, wit or bravado
‘There’s still an aim to reach total realism, which isn’t a bad goal’
Constantinos Miltiadis’s project combines inteligloves and Kinect sensors to an Oculus Rift-style headset to provide the ultimate in impressive digital experiences
David Zwirner; National Gallery, London
Sweden’s Jockum Nordström unsettles with work that seems to tap into childhood. And prepare to be surprised by the long-forgotten art of Peder Balke
Eventually 3D-printed cars could be designed with their local environment in mind, such as extreme cold weather or the desert
The year saw contemporary art stars prove thoughtful in print while Whistler and Rembrandt drew perceptive analysis
David Hockney last year left Yorkshire and returned to his home in the Hollywood Hills after a series of traumatic events in his personal life. Here the 77-year-old reveals how California has rejuvenated him, before answering questions from Observer readers and cultural figures
Pallant House, Chichester
How did British artists respond to the war that so famously inspired Picasso? This exemplary show is the first devoted to finding out
Revival for photo format joins other analogue passions endorsed by new celebrity generation
Blondie’s Chris Stein and Debbie Harry talk about a new book of intimate photos taken by Stein during the band’s post-punk glory days