The United States cannot rely upon products that originate in, or supply chains that run through, a potential adversary, Bashar Malkawi writes.

On this week’s Policy Forum Pod, an expert panel tell us what Australia’s climate policies should look like, and what they might end up actually looking like.

The Australian bushfires represent a tipping point. Other subsystems in the Earth System can also undergo abrupt shifts, accelerating the rate of climate change and threatening to make human interventions irrelevant, Will Steffen writes.

Debunking the political ‘post-truths’ of climate change, Quentin Grafton and Tom Kompas explain how illogical and contrary to self-interest it would be for Australia not to do more to reduce its emissions and support global action.

The fires and smoke affecting Australia are a wake-up call to change course, Robert Costanza writes.

The terms ‘freedom of navigation’ and ‘international waters’ frequently crop up in regional security discussion. Unfortunately, their meaning can be problematic, especially when applied to the South China Sea, Sam Bateman writes.