Big Ideas Folgen

Coal, oil and gas currently drive most of our electricity generation, manufacturing and transport systems. If we’re to achieve zero emissions then green alternatives are vital. And we need green energy at scale. Solar panels on your roof will only go part of the way to producing enough electricity . This discussion, from the World Science Festival, tackles the challenge of making the transition to green energy.

The pandemic has opened a window of opportunity for us to "build back better", and create a healthy, sustainable and equitable future, according to public health expert, Dr Sandro Demaio. He says we have a once-in-a-lifetime shot at achieving "health for all". Sandro joins Cassandra Goldie and Professor Sharon Friel for a discussion about health equity.

What is truth? How has it evolved? And what is its impact anyway? Evolutionary science shows that subtle social manipulation of fellow group members was a key driver of intelligence in the human lineage. And even animals use trickery to their advantage. Big Ideas looks at why we lie and why deception is so widespread in modern public discourse.