The mines that warm the town above them
Gateshead dug coal for two centuries. Now the flooded old tunnels warm the town, cleanly, from below.
Bright ideas working in the real world: clean power, clever materials and tools that make it easier to live lightly.
Innovations
A window is invisible to a bird. The new answer is a pattern etched into the glass itself, which the bird reads as solid and you barely notice at all.
Gateshead dug coal for two centuries. Now the flooded old tunnels warm the town, cleanly, from below.
In Chile's dry north, a farming community harvests its water straight out of the morning fog.
An ocean scientist and her cofounder ferment seaweed into little pearls that behave like plastic, then vanish like a leaf.
In Cairns, a Maiawali inventor and his cofounder wake seeds up with gentle electricity, the way storms have done for ten thousand years.
After eight years at sea, the spinning sails on one bulk carrier have saved over a thousand tonnes of fuel, and they are still turning.
A new constellation is being built for one job only: finding wildfires while they are still small enough to stop.
A young company just broke ground on a factory whose ingredients are captured carbon dioxide and hydrogen split from water.
Hand planting seagrass manages about five hectares a year. This machine is built for five hectares a day.
On a Welsh hillside, volunteers walking rows of barcoded saplings have produced a genuine scientific first.
In northern Michigan a river has spent 15 years being handed back to itself, and the last piece is a rather clever gate.
Two American neighbourhoods are about to drink water pulled straight out of the sky.