Inside the world’s first nuclear waste tomb in Finland
The world’s first geological tomb for nuclear waste is rapidly taking shape more than 400 metres below the forests of Finland.
Batches of lethally radioactive uranium will start arriving within two years for burial in the warren of tunnels carved into the bedrock.
Other countries, including the UK, are considering plans to build their own geological disposal facilities, which should safely isolate the 260,000 tonnes of highly radioactive waste that has accumulated worldwide since the dawn of nuclear power in the 1950s.
Sky News was given rare access to the site, called Onkalo, which means “cavity” in Finnish. It is built next to three nuclear reactors on the country’s southwestern coast.
Security was so tight in the aftermath of the sabotage of the Nord Stream gas pipeline that there was a strict no-filming rule above ground.
But we were taken down the 5km access road that winds through the bedrock, so deep that our ears popped.
At the bottom, further tunnels fanned out. So far five have been completed, but up to 100 could be built over the coming decades, stretching to more than 40 miles in all.
Our guide was Sanna Mustonen, a geologist and senior project manager for Posiva, the company that runs the facility.
She said the bedrock was formed almost two billion years ago and has remained intact ever since.
“The rock itself, like in the whole area of Finland, is very stable,” she said.
“We have old rock. We don’t have continental plates nearby, so we don’t have any earthquakes, seismicity, or things like that.”
The waste will be sealed in double-layered metal cannisters
‘There must be security’
Like other countries Finland stores spent nuclear fuel above ground in shielded bunkers while it seeks a long-term solution.
But Mika Pohjonen, managing director of Posiva, said it would be irresponsible to leave such dangerous waste where it could fall into the wrong hands.
He told Sky News: “If you look at history, 300 years back, how many wars have there been in Europe, for example?
“On the surface the interim storage needs active measures from humans, the building needs to be heated, the spent fuel must be cooled, there must be security around it.
“If you look a generation forward you cannot really see that that kind of arrangement would be risk-free enough.”
Various solutions to the nuclear industry’s waste problem have been suggested, including: launching it into deep space, burying it in an ocean trench and dropping it into a fissure in the Earth’s crust.
They’ve been dismissed as unfeasible, expensive or environmentally risky.
The facility is being built into the bedrock of Finland
‘Safe for one million years’
Instead, Posiva will encase spent nuclear fuel in double-layered metal cannisters that will slot into holes bored in the floor of the tunnels.
To keep them dry, they will be swaddled in bentonite, an absorbent material used in cat litter.
More bentonite will be used to backfill the tunnels, which will be plugged with concrete.
When the complex is full in around a century’s time, with perhaps as many as 3,250 cannisters, it will be sealed up and all trace removed above ground.
“It will be safe for one million years,” Mr Pohjonen said.
“There may not be humans here any more because in that time there will be ice ages or [this area will be] underwater but this is designed to keep it out of the biosphere.”
Dummy cannisters are already buried in bentonite and surrounded by sensors.
Some scientists have warned water could corrode the metal, become radioactive and then rise to the surface over millennia.
But Posiva says the multiple barriers keep the waste in and water out. And if there was a leak in a highly unlikely worst-case scenario, modelling shows that by the time any water reached the surface in 10,000 years the radioactivity would have decayed so much that it would not be a threat to life.
Finland’s progress has been watched closely by other countries. Sweden has begun construction of its own deep geological disposal site. France, Switzerland and the UK are further behind.
A shortlist of four possible sites in Cumbria and Lincolnshire has been drawn up.
The metal cannisters will be entombed underground
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Bruce Cairns, chief policy adviser at the UK’s Nuclear Waste Services, was also taking a look at Onkalo while we were there.
He said responsible permanent disposal for waste is essential as the country commissions a new generation of reactors.
“We have 70 years’ worth of waste in the UK that’s already accumulated from energy production, defence and industrial processes.
“It’s not going anywhere unless we do something with it. We have to take action to make sure this is managed responsibly, not just for now but for the long term as well.”
Key to Finland’s progress has been engagement with the local community.
Olkiluoto nuclear power station
Locals in favour
The nearest settlement is Eurajoki, about 10 miles away.
The existing nuclear reactors were already big local employers and when the area was selected from a shortlist of disposal sites the local authority voted overwhelmingly in favour.
Vesa Lakaniemi, the town’s mayor, said: “We have had nuclear power here for 40 years.
“People know about nuclear and final [waste] disposal much more than in the areas which don’t have a nuclear power plant.
“Trust has developed over four decades.”
Ukraine’s president is offering an olive branch to Donald Trump with a dramatic public message aimed at mending their relationship and ending Russia’s war.
Volodymyr Zelenskyy chose social media – the US leader’s favourite mode of communication – to make his point.
He did not go so far as to apologise for a fiery bust-up with Mr Trump at the Oval Office last Friday – a move that some members of the US administration have called for, even though it was the American president and his deputy JD Vance who laid into Mr Zelenskyy.
Instead, he described the encounter as “regrettable”, saying it “did not go the way it was supposed to be” and it was “time to make things right”.
Ukrainian forces fire a missile towards Russian troops near Chasiv Yar. Pic: Reuters
Most significantly though was his spelling out of a vision for the first stage of how Russia’s war with Ukraine could end.
Pushing back on false claims by Trump allies such as Elon Musk that Mr Zelenskyy wants an endless war, he said that Ukraine is committed to peace and is ready to come to the negotiating table as soon as possible.
Crucially, he said: “We are ready to work fast to end the war, and the first stages could be the release of prisoners and truce in the sky – ban on missiles, long-ranged drones, bombs on energy and other civilian infrastructure – and truce in the sea immediately, if Russia will do the same.”
Appealing to the US president’s ego, he praised Mr Trump’s “strong leadership” and repeated his gratitude for past American support – again responding to criticism from the American commander in chief and his team that he is not showing enough gratitude.
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He also said Kyiv was ready to sign a key minerals deal with Washington – something else Mr Trump is seeking.
This message appears to be an attempt by Mr Zelenskyy to steer his relationship with Mr Trump back on track and to map out his idea for an end to the war – a conflict that Ukraine did not seek but which was brought to its land by Russia’s invading forces.
Donald Trump and Volodymyr Zelenskyy at the White House on Friday, before their Oval Office bust-up. Pic: AP
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Key now will be how the US president responds.
Will Mr Zelenskyy’s expression of regret and clear wish to end the war provide enough of an off-ramp for Mr Trump to defuse the row and – for the sake of Ukraine’s ability to defend itself – switch back on the flow of military assistance to the country?
Another major factor, of course, is how Vladimir Putin reacts and whether he could countenance a limited ceasefire in a war that he started and – unlike Mr Zelenskyy – appears to have no genuine desire to halt.
Donald Trump’s 25% tariffs on goods from Mexico and Canada have come into effect, as has an additional 10% on Chinese products, bringing the total import tax to 20%.
The US president confirmed the tariffs in a speech at the White House – and his announcement sent US and European stocks down sharply.
The tariffs will be felt heavily by US companies which have factories in Canada and Mexico, such as carmakers.
Mr Trump said: “They’re going to have a tariff. So what they have to do is build their car plants, frankly, and other things in the United States, in which case they have no tariffs.”
There’s “no room left” for a deal that would see the tariffs shelved if fentanyl flowing into the US is curbed by its neighbours, he added.
Mexico and Canada face tariffs of 25%, with 10% for Canadian energy, the Trump administration confirmed.
And tariffs on Chinese imports have doubled, raising them from 10% to 20%.
Canada announced it would retaliate immediately, imposing 25% tariffs on US imports worth C$30bn (£16.3bn). It added the tariffs would be extended in 21 days to cover more US goods entering the country if the US did not lift its sanctions against Canada.
China also vowed to retaliate and reiterated its stance that the Trump administration was trying to “shift the blame” and
“bully” Beijing over fentanyl flows.
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Mr Trump’s speech stoked fears of a trade war in North America, prompting a financial market sell-off.
Stock market indexes the Dow Jones Industrial Average and the Nasdaq Composite fell by 1.48% and 2.64% respectively on Monday.
The share prices for automobile companies including General Motors, which has significant truck production in Mexico, Automaker and Ford also fell.
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Consumers in the US could see price hikes within days, an expert has said.
Gustavo Flores-Macias, a public policy professor at Cornell University, New York, said “the automobile sector, in particular, is likely to see considerable negative consequences”.
This is due to supply chains that “crisscross the three countries in the manufacturing process” and ” because of the expected increase in the price of vehicles, which can dampen demand,” he added.
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The Trump administration is gearing up to bring in other tariffs in the coming weeks.
On 2 April, reciprocal tariffs will take effect on all countries that impose duties on US products.
He is also considering 25% tariffs on goods from the EU “very soon” after claiming the bloc was created to “screw the United States”.
A truck has collided with a bus in southern Bolivia, killing at least 31 people, according to police – just two days after a deadly crash claimed at least 37 lives.
Officers said the bus rolled some 500m (1,640ft) down a ravine after the collision on Monday, which took place on the highway between Oruro, in the Bolivian Altiplano, and the highland mining city of Potosi.
The driver of the truck has been arrested, while the cause of the accident is under investigation.
Police spokesperson Limbert Choque said men and women were among the dead, and 22 people suffered injuries.
Rescue teams operating at the site of the crash. Pic: Bolivia’s attorney general/Reuters
Bolivia’s President, Luis Arce, expressed condolences for the victims on social media: “This unfortunate event must be investigated to establish responsibilities,” he said in a post on Facebook.
“We send our most sincere condolences to the bereaved families, wishing them the necessary strength to face these difficult times.”
The crash happened between Oruro and Potosi
On Saturday morning, a crash between two buses killed more than three dozen people in the same region.
It happened between Colchani and the city of Uyuni, a major tourist attraction and the world’s largest salt flat.
People stand near the wreckage of one of the two buses involved in a crash on Saturday. Pic: Reuters/Potosi Departmental Command
Coincidentally, one of the buses was heading to Oruro, where one of the most important carnival celebrations in Latin America is currently taking place.
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More than 30 people were also killed after a bus crash on 17 February.
In that crash, police said the driver appeared to have lost control of the vehicle, causing it to drop more than 800m (2,600ft) off a precipice in the southwestern area of Yocalla.
Bolivia’s mountainous, undermaintained and poorly supervised roads are some of the deadliest in the world, claiming an average 1,400 fatalities every year.
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