Sneaky sneakers: What your shoes aren't telling you (Rebroadcast)

The dark side of recycling

BONUS – The great American protein push, what's at 'steak'?

The classroom with no walls

AI can unlock nature’s symphony, but can it save biodiversity?

Bacteria to the rescue?

Let’s get quizzical!

And the award goes to...

The hidden toll of roadkill (Rebroadcast)

What we get wrong about eating protein

The Switch 3 | Bill McKibben: One big thing is going right

The Switch 2 | Blackout: What's really breaking energy grids

The Switch 1 | Deserted: Why solar power's failing where it should shine

The Switch — a miniseries

Breaking gold's toxic bond with mercury pollution

The resale illusion: Why second-hand isn't always better

Introducing: Boy Wasted

Can a cancer hotspot be saved from our addiction to plastic?

What are students really learning about climate change?

The truly amazing world of fungi (Rebroadcast)