India produces only a tiny fraction of the world's cocoa beans, but that could be changing.

Makers of a new generation of European electric aircraft are struggling to raise money.

It can be hard to find good advice on how to make homes more energy efficient.

Big mining firms are switching to driverless trucks and other autonomous equipment.

Start-up firms are looking for ways to dye clothes using less water and heat.

Paints now promise to make your house cooler, warmer, or simply peel off.

AI projects are underway to help ease the challenges of dementia.

Greener software could make devices last longer and use less electricity.