Innovations
The concrete recipe that just passed its biggest test
A Paris development of 151 homes has been built entirely with a low carbon cement, and nobody on site had to change how they work.
Bright ideas
Innovations
Bright ideas working in the real world: clean power, clever materials and tools that make it easier to live lightly.
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Innovations
The little vans bringing forgotten railways back to life
France has 5,700 kilometres of sleeping train lines. The fix is a van that thinks it is a train.
Innovations
The battery made of rust, iron and air
One hundred hours of stored power, from three of the cheapest things on Earth.
Innovations
Perth's rubbish is now powering 55,000 homes
What cannot be recycled no longer goes to waste, or to landfill.
Innovations
One train at sunset, seventy trucks off the road
Every grain train is a highway's worth of trucks that never left the depot.
Innovations
Stockholm's flying ferry passed every test, now the world is queueing
It lifts above the water, halves the commute, and sips power.
Innovations
The tree seed that scrubs plastic from drinking water
Crush a seed, clean a glass: nature's own water filter just aced its exam.
Innovations
The solar panel that turns plastic rubbish into clean fuel
Sunlight goes in, old plastic and water go in, and clean fuel comes out.
Innovations
The building material you can grow in a paddock
Klara Marosszeky has spent a quarter of a century proving hemp can house us.
Innovations
A clever new way to turn seawater into drinking water, with nothing wasted
Sunlight, salt, and a simple idea that could help the driest places on earth.
Innovations
The solar machines catching river plastic before it reaches the sea
Most ocean plastic arrives by river. A fleet of solar powered machines is stopping it at the source.
Innovations
Solar panels between the train tracks
A Swiss pilot has spent a year proving a working railway can double as a solar farm. Italy wants one next.