Rare Earth Episodes Available now
Powering Our Robot Overlords
The energy used by a simple internet search is increasing. Can we cut the cost?
Is Net Zero a toxic brand?
Can the UK ditch its carbon emissions by 2050?
Are insects the answer?
Helen Czerski and Tom Heap discuss the environmental importance of insects.
Set in Concrete
Our civilisation is based on concrete. Can we build in a cleaner way?
Paradise on the Edge
Travel to the beautiful islands of the Pacific - the front line of climate change.
How to Clean Up the Shipping Industry
The shipping industry is a big polluter. Tom Heap and Helen Czerski search for solutions.
Forever Chemicals
The health impact of PFAS chemicals used in everything from frying pans to coats.
The Hole That Changed the World
40 years ago a hole was discovered in the ozone layer. It caused an international crisis.
Cry Wolf
Wolves are back, right across Europe. Should we be nervous or welcoming?
Arctic Goldrush
President Trump wants a slice of the Arctic. What does it mean for the region's wildlife?