Scientist and broadcaster Prof Trevor Cox explores a new wave of biomimicry.
Miriam O'Reilly looks at Britain's use of solar power.
Why has capitalism's answer to climate change failed? Tom Heap investigates.
Tom Heap explores the innovative ways to store energy rather than let it go to waste.
Sybil Ruscoe is at a farm growing maize to produce electricity by anaerobic digestion.
Alternative sources of energy are needed, but at what cost to the environment?
Erica McAlister explores how insect technology can solve human design problems.
Scientist Jim Al-Khalili gets a new pen-pal, living off-grid on a remote Canadian island.
Why using more Lithium might be the key to solving the climate crisis.
Guest presenter Ian Marchant meets people who live 'off-grid' in mid-Wales.
Tom Heap finds out how people can use their own energy to power gadgets and lighting.
Alice Roberts discovers the potential savings available by harnessing the power of sewage.
A global audience joins Michael Sandel to discuss the world's response to climate change.
Miriam O'Reilly reports on the effectiveness of wind energy.
Simon Cox investigates whether Britain will ever develop a viable wind energy industry.
A controversial wind farm on the Outer Hebridean island of Lewis has split the community.