Making the heart of a star to power the world
Nuclear fusion has enormous potential as an energy source. It doesn't produce carbon and creates a lot less radioactive waste than current fission nuclear reactors. Until now, generating a nuclear fusion reaction efficiently has proved impossible, but as Anjana Ahuja explains, we’ve recently seen some impressive breakthroughs, and there’s also a lot more private money sloshing around.
More from the FT Rethink channel
By nurturing crops on a plant by plant basis, new technology can cut chemical use and boost yields
Pick up an Austral Fisheries toothfish loin in the supermarket, scan the barcode on the back of the packet, and you’ll be able to follow every step in the fish’s journey from deep ocean to shop shelf.
Two companies are on a mission in Iceland to find a technological solution to the elusive problem of capturing and storing carbon dioxide.
Less than 10 per cent of the man-made material is currently reused but a new technology is set to create a more circular economy
How to feed 10bn people in a sustainable way
Monitoring the health of cattle lowers the use of drugs — and the risk of bacterial resistance to them
A global effort aims to conserve and harness biodiversity over the next decade
Russia’s invasion of Ukraine has focused attention on its role as a critical supplier of oil and gas. How will this affect the race to decarbonise?
A new global agreement has pledged to end, indeed reverse deforestation by the end of this decade. We've been here before — so what’s different this time?
A sustainable farm is helping to tackle a wheat shortage made worse by war in Ukraine
Thanks to technological advances, the steel, cement and chemicals sectors are beginning to wean themselves off fossil fuels, but it’s a gradual, uphill process
As the world sizes up the twin challenges of climate change and biodiversity loss, new approaches are emerging to address both
Digital solutions could be the key to producing more food while protecting the environment
Many of today’s sustainability focused strategies exclude the companies that will ultimately contribute the most to future CO2 reductions
Oceans are the source of at least 50 per cent of all oxygen produced on Earth. Yet industrial fishing, offshore oil exploration and using the ocean as the world’s dumping ground for plastics and harmful chemicals have placed this fragile ecosystem...
Hundreds of billions of dollars are wasted in customer returns.
The long haul to zero emissions aviation. Intriguing technologies are emerging which could lead to zero emissions aviation. Bio and synthetic fuels are viable, but still expensive and not perfectly clean.
Investors are getting excited about chemical recycling, but campaigners see it as a distraction
Renewable energy sources such as wind and solar power are now becoming viable alternatives to fossil fuels. But for electricity grids, constantly matching supply with demand becomes much harder when you strip out coal and gas-fired plants that provide...
The pandemic has brought the economic polarisation seen in many countries sharply into focus. We’ve seen many of those in humbler occupations that we all depend on marginalised by Covid-19.
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FT Rethink series focuses on the people, technology, strategies and systems moving us from an economy that is wasteful, idle, lopsided and dirty towards one that is circular, lean, inclusive and clean. The channel alternates between independent reporting from FT journalists and business perspectives from Lombard Odier