Why copper wires? And do solar power and batteries herald the death of the old AC grid?
Hydrogen (H) - water (part 1)
Northwest India is fast running out of groundwater. Is migration and conflict inevitable?
Hydrogen (H) - water (part 2)
As climate change plays havoc with the rain, could we draw water directly from the ocean?
The self-sacrificing metal that brings shelter and good health to India's poorest.
Hydrogen (H) - energy
Is the dream of a hydrogen-fuelled zero-carbon economy achievable?
India is completely dependent on imports of potash, a fertiliser essential for crops.
This toxic metal is being phased out of our lives, but still keeps planes up in the air.
Hydrogen (H) - fusion
Could we finally be about to crack this source of potentially unlimited clean energy?
Why does iodine deficiency still blight children in developing countries like India?
The shiniest and showiest of metals has some surprisingly modern applications.
The poison in everything from paint and sweets, to telegraph polls and drinking water.
Platinum group (Pt, Pd, Ru, Rh, Os, Ir)
Six rare metals that clean the air but are the focus of violent conflict in South Africa.
This metal offers thousands of years of nuclear energy, but is it any safer than uranium?
Why do we value this useless metal? And does it bring out the worst in human nature?
In the final programme in the series we look at the rarest members of the periodic table.
21/08/19 NFU concern about end of freedom of movement post-Brexit, land sharing, farming with nature
Plans to end freedom of movement on 31 October causes chaos, says farming union.
Cwmni llaeth De Arfon yn cael ei blwyddyn masnachu orau erioed.
Achos arall o ddefaid yn cael eu dwyn a’u bwtchera - y tro hwn yng Nghymru.
Tackling food waste on the farm & taste-testing Doodales Highland Beef
Sam Dilcock celebrates rural life in North Yorkshire.
Sue heads into the wilderness with a Wiltshire author and butterfly enthusiast.
What is an itch and where does it go?