Big Ideas is a weekly radio program on ABC Radio National which presents lectures or panels on ideas or issues of particular importance. It is broadcast on Sundays at 5:00 p.m. and repeated on Saturdays at 7:00 p.m.; in addition, it is available as a podcast

Podcast

A podcast is a series of digital media files that are released episodically and often downloaded through web syndication...

 from ABC Radio National.

There is no fixed host for the program; various ABC broadcasters have introduced the lecture or panel.

ABC TV

ABC Television

ABC Television is a service of the Australian Broadcasting Corporation launched in 1956. As a public broadcasting broadcaster, the ABC provides four non-commercial channels within Australia, and a partially advertising-funded satellite channel overseas....

 also airs a television edition of Big Ideas at 11am Tuesdays & Wednesdays (after ABC Schools TV or children's programs in school holidays), hosted by Waleed Aly

Waleed Aly

Waleed Aly is an Australian lawyer, academic and rock musician. He has been a member of the executive committee of the Islamic Council of Victoria and has served as the council's head of public affairs. He is a frequent commentator on Australian Muslim affairs. In 2008 he was selected to...

.

2008

Sunday 24 February

Does Secularism Provoke Religious Extremism?

The Annual Acton Lecture on Religion and Freedom, given by Tom Frame, an Anglican bishop.

Sunday 17 February

The Reith Global Debate - Free To Speak?

What do Onora O'Neill, Wole Soyinka and Jeffrey Sachs, recent Reith Lecturers for the BBC, discuss freedom of the press.

Sunday 10 February

Relations on a finite planet

Lord Robert May, a former head of the UK Office of Science and Technology, spoke on the effects of overpopulation and global warming.

Sunday 3 February

Global finance: big, bloated and dangerous?

Dr. Paul Wooley spoke about the challenge of global finance.