Big Ideas

Big Ideas

Your front row seat to big thinkers at the best live events, forums, and festivals. Feed your mind. Be provoked. One big idea at a time. Your brain will love you for it. We love hearing from you about the show or events you are planning. Get in touch! Email: Bigideas@abc.net.au SMS line for ABC Radio National: 0418 226 576 Airs Monday to Thursday 8pm, repeated Tuesday to Friday 12pm, on ABC Radio National.
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Episodes

2819-

Kerry O'Brien on the perfect storm destroying our politics — with Richard Flanagan

25 Aug 2026
2818-

Why Oz Harvest's Ronni Kahn wants you to join the "Order of the Teaspoon" to end food insecurity and waste

24 Aug 2026
2817-

Protecting Australia’s native plants

20 Aug 2026
2816-

Indigenous speculative fiction takes on the apocalypse — with Canadian sci-fi Indiginerd Chelsea Vowel

19 Aug 2026
2815-

Blast off! Exploring our solar system and beyond

18 Aug 2026