Start-up firms have pilot plants for making steel with low carbon emissions, but can they scale up?

With batteries still too heavy, start-up plane makers are exploring hybrid options for new aircraft.

The popularity of ChatGPT has raised questions about the future of traditional Google searches.

How did E. coli become such an essential tool for scientists and will anything replace it?

Huge investment is going into data centres for AI, but why are they so expensive?

Tech Now meets the team behind WasteShark – can it help tackle marine plastic pollution?

An American waste management company is storing organic waste deep underground.

Ione Wells explores if lithium mining can be done more sustainably.

What will the era of Agentic AI offer us ?

Yasmin Morgan-Griffiths has exclusive access to La Sagrada Familia in Barcelona.