As climate change poses significant challenges for the Indo-Pacific region, what role should Australia play in the region for food security?

That's a key question at this year's Crawford Conference — the country's largest food security event — which is being held in Parliament House today.

It comes as experts increase calls for urgent, coordinated action, arguing it is an issue of national security.

• Guest: Professor Glenn Denning, Australian agriculture and food policy specialist at Columbia University
• Producer: Brooke Young