Tickets for the 2016 festival weekend at the Barbican are now available at early-bird rates. See our tickets page for more information.
The Battle of Ideas 2015 festival weekend was a great success, with more debates, speakers and attendees than ever before. You can keep up to date with our latest audio and video from the 2015 festival, and be the first to know the latest news about the 2016 festival, by signing up to our newsletter.
If you would like to help us with the Battle of Ideas as a volunteer, check out our volunteering page.
Images from Battle of Ideas 2015.
Thanks to James Berry, Paul Brocklehurst, Lameya Chaudhury and Tom Fenn for the pictures.
Tweets by @instofideas
No Oxygen, No Life:, Amy Gulick
Is the blockbuster exhibition dead? , Stephen Moss
Lawless London is keeping its cool, not losing it, Nick Compton
The very idea of public space has vanished in Britain, spiked podcast
Last orders for the British Boozers, Neil Davenport
‘Rape by deception’ should not be a crime, Luke Gittos
Green Belt myths, Campaign to Protect Rural England