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The Hole That Changed the World

40 years ago a hole was discovered in the ozone layer. It caused an international crisis.

• 53 mins

Forever Chemicals

The health impact of PFAS chemicals used in everything from frying pans to coats.

• 53 mins

How to Clean Up the Shipping Industry

The shipping industry is a big polluter. Tom Heap and Helen Czerski search for solutions.

• 53 mins

Paradise on the Edge

Travel to the beautiful islands of the Pacific - the front line of climate change.

• 53 mins

Set in Concrete

Our civilisation is based on concrete. Can we build in a cleaner way?

• 53 mins

Are insects the answer?

Helen Czerski and Tom Heap discuss the environmental importance of insects.

• 53 mins

Is Net Zero a toxic brand?

Can the UK ditch its carbon emissions by 2050?

• 53 mins

Powering Our Robot Overlords

The energy used by a simple internet search is increasing. Can we cut the cost?

• 52 mins

Metals and Minerals

Where can we get the materials we need for the transition to a green economy?

• 53 mins