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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
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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
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The facility is being built into the bedrock of Finland
Inside the world's first nuclear waste tomb

‘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 where it is said it will be safe for a million years
Image:
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.

Eurajoki nuclear power plant
Image:
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.”

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Canada’s prime minister Justin Trudeau resigns and suspends parliament until March

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Canada's prime minister Justin Trudeau resigns and suspends parliament until March

Canadian Prime Minister Justin Trudeau has announced his resignation.

The 53-year-old said he will step down as leader of the country’s ruling Liberal Party, which he has led since 2013.

He says it will allow his party to choose a new leader as he suspends parliament until March due to political deadlock.

Chrystia Freeland, who today stepped down as finance minister and deputy prime minister, arrives for a national caucus meeting, in Ottawa, Ontario, Monday, Dec. 16, 2024. (Spencer Colby/The Canadian Press via AP)
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Chrystia Freeland, seen on the day she quit as finance minister and deputy prime minister in December. Pic: Spencer Colby/The Canadian Press via AP

Follow live: Justin Trudeau announces resignation

Speaking to reporters in front of his residence at Rideau Cottage, in the country’s capital, Ottawa, he said “internal battles” mean that he “cannot be the best option” in the next election.

“I don’t easily back down faced with a fight, especially a very important one for our party and the country. But I do this job because the interests of Canadians and the well-being of democracy is something that I hold dear.

“A new prime minister and leader of the Liberal Party will carry its values and ideals into that next election. I am excited to see that process unfold in the months ahead.”

Mr Trudeau, who has been prime minister since 2015, faced calls to quit from a chorus of his MPs amid poor showings in opinion polls.

He came under further pressure after his finance minister, Chrystia Freeland, resigned in December over clashes on policy.

The disagreements included how to handle possible US tariffs imposed by Donald Trump‘s incoming administration.

U.S. President Donald Trump and Canadian Prime Minister Justin Trudeau, left, are seen following a family photo of G7 leaders and Outreach partners at the Hotel San Domenico during a G7 summit in Taormina, Italy, Saturday, May 27, 2017. (Jonathan Ernst/Pool photo via AP)
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Justin Trudeau and Donald Trump in Italy in 2017. Pic: AP

Mr Trudeau’s resignation comes as the polls show his party is likely to suffer a heavy defeat to the official opposition Conservatives in an election that must be held by late October.

The Liberals must now name an interim leader to take over as prime minister ahead of a special leadership convention.

Mr Trudeau came to power 10 years ago following a decade of Conservative Party rule and was initially praised for returning the country to its liberal past.

But he has become deeply unpopular with voters in recent years over a range of issues, including the soaring cost of food and housing and surging immigration.

He is the eldest son of Pierre Trudeau, one of Canada’s most famous prime ministers, who led the country from 1968 to 1979 and from 1980 to 1984.

The political upheaval comes at a difficult moment for Canada internationally.

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US President-elect Donald Trump has threatened to impose 25% tariffs on all Canadian goods if Ottawa does not stem what Mr Trump calls a flow of migrants and drugs into the US.

Many fewer of each cross into the US from Canada than from Mexico, which Mr Trump has also threatened.

In a social media post on Christmas Day, Mr Trump even suggested the US could take control of Canada, as well as Greenland and the Panama Canal.

Canada is a major exporter of oil and natural gas to the US, which also relies on its northern neighbour for steel, aluminium and autos.

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Justin Trudeau was once Canada’s golden boy – but he steps down with his popularity in shreds

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Justin Trudeau was once Canada's golden boy - but he steps down with his popularity in shreds

Few one-time golden boys manage to retain their lustre long into political office.

Barack Obama just about held on to his, leaving the US presidency with his approval rating high despite his party’s 2016 loss to Donald Trump.

But Emmanuel Macron is faltering in France and Justin Trudeau steps down as head of Canada’s liberal party with his popularity in shreds. So much for Western liberal values.

In the high tides of inflation and immigration, those who were their supposed flag-bearers are no longer what electorates want.

Follow live: Justin Trudeau announces resignation

For Mr Trudeau, it is a dramatic reckoning. His approval ratings have dropped from 65% at their highest in September 2016 to 22% now, according to the “Trudeau Tracker” from Canada’s non-profit Angus Reid Institute.

The sudden departure of his finance minister and key political ally Chrystia Freeland last month dealt his leadership a body blow, just as Canada readies itself for a potential trade war with the US which, she argued in a bracing resignation letter, his government was not taking seriously enough.

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“Parliament has been paralysed for months,” Trudeau says

The man Mr Trump recently trolled as “Governor of the ‘Great State of Canada’ or ’51st (US) state'”, Mr Trudeau was as close to Canadian political royalty as it gets.

The son of the country’s 15th prime minister, Pierre Trudeau, he was famously toasted by US president Richard Nixon as “the future prime minister of Canada” when he joined his father on a state visit as a toddler.

Aged five, he met the late Queen for the first time. “Thank you for making me feel so old”, she remarked drily at a re-meet in Malta almost 40 years later.

He has led Canada’s liberal party since 2013 and served as the country’s 23rd prime minister for almost a decade.

Mr Trudeau won a resounding electoral victory in 2015 and secured the premiership through two subsequent elections, though as head of a minority government.

Mr Trudeau, his wife and children celebrate after he won the Federal Liberal leadership in 2013 in Ottawa. Pic: AP/The Canadian Press/Adrian Wyld
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Mr Trudeau, his wife and children celebrate after he won the Federal Liberal leadership in 2013 in Ottawa. Pic: AP/The Canadian Press/Adrian Wyld

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He made significant inroads against poverty in Canada, worked hard on nation to nation reconciliation with Canada’s indigenous communities, secured an effective trade deal with the US and Mexico in 2016 and managed to keep the public mostly on-side through the COVID-19 pandemic.

But he was a polarising figure. Holidays in exotic climes like a trip to the Bahamas in 2016 to an island belonging to the Aga Khan made him seem elitist and out of touch.

There was embarrassment when blackface images surfaced from his early years as a teacher, for which he apologised profusely.

His supposed liberal credentials smacked of double standards when he invoked emergency powers to crush truckers’ protests in 2022.

But it was the economic aftermath of the pandemic, with Canada suffering an acute housing shortage, immigration leaping under his premiership and the cost of living hitting households across the board which really piled on the pressure.

In those, Canada is not unique. But the opposition conservatives and the public at large clearly want change, and Mr Trudeau has responded.

He has announced his intention to resign as party leader and prime minister after the Liberals selects their next leader.

Mr Trudeau’s legacy may shine brighter with a little hindsight. But now is not that moment.

The question is whether his conservative opposition will fare any better in an increasingly combative geopolitical environment if, as seems likely, a candidate of their choosing wins a federal election due at some point this year.

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As anti-immigration rages, migrants from Zimbabwe jump the border into South Africa with ease

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As anti-immigration rages, migrants from Zimbabwe jump the border into South Africa with ease

Donkey karts loaded with wrapped parcels of unknown goods weave around the large puddles of water left in the dried riverbed.

Young men quickly hop over laid bricks to bridge the puddles followed by women treading carefully with babies on their backs.

The Limpopo River’s seasonal dryness is a natural pathway for those moving into South Africa from Zimbabwe illegally.

A sandy narrow beach undisturbed by border patrols with crossers chatting peacefully under trees on both banks as men furiously load and unload smuggled goods on the roadside.

Against the anti-immigration rage and xenophobia boiling over in South Africa’s urban centres, the tranquillity and ease of the border jumping is astonishingly calm.

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People crossing the dried Limpopo River to get from Zimbabwe to South Africa

“You can’t stop someone who is suffering. They have to find any means to come find food,” one man tells us anonymously as he crosses illegally.

At 55 years old, he remembers the 3,500-volt electric fence called the “snake of fire” installed here by the Apartheid regime.

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Today, people fleeing drought and economic strife are smuggled across or walking through border blindspots like this one.

“Now, it’s easy,” he says. “There is no border authority here.”

He crosses regularly and always illegally. While he laughs at the lack of border agents, he says he has been stopped by soldiers in the past.

“They send us back but then the next day you try to come back and it is fine.”

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Part of the dilapidated border fence that separates South Africa with Zimbabwe

We find a few soldiers on our way back to the main road. They look confused by our presence but unphased. It is hard to believe they are unaware of the streams of people and goods moving across the dried riverbed just a few hundred metres away.

Border ‘fence’ trampled and full of holes

We drive along the border fence to get to the official border post into Zimbabwe, Beitbridge.

“Fence” is a generous term for the knee-height barbed wire laid across 25 miles of South Africa’s northern edges in 2020. Some sections are completely trampled, and others are gaping with holes.

The concrete fortress is a drastic change to the soft, sandy riverbed. Queues dismantle and reassemble as eager crowds rush from one building to another as instructions change.

Zimbabweans can live, work and study in South Africa on a Zimbabwean exemption permit, but many like Precious, a mother-of-three, cannot even afford a passport.

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Precious, a mother-of-three, staying at a shelter in Musina, South Africa

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Shelters for women and trafficked children in Musina

When we meet her at a women’s shelter in the border town of Musina, she says she only has $30 (£23.90) to find work in South Africa and that a passport costs $50 (£39.80).

“My husband is disabled and can’t work or do anything. I’m the only one doing everything – school, food, everything. I’m the one who has to take care of the kids and that situation makes me come here to find something,” she says tearfully before breaking down.

The shelter next door is home to trafficked children that were rescued. Other shelters are full of men looking for work.

Musina is a stagnant sanctuary for Zimbabweans searching for a better life who become paralysed here – a sign of the declining state of Zimbabwe and the growing hostility deeper in South Africa.

In Johannesburg, South Africa’s economic centre, illegal immigrants are facing raids and deportations organised by the Ministry of Home Affairs at the behest of popular discontent.

The heavy-handed escalation in the interior sits in stark contrast to the lax border control.

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Derelict buildings in Johannesburg where migrants are living

“I wonder how serious our government is about dealing with immigration,” says Nomzamo Zondo, human rights attorney and executive director of the Socio-Economic Rights Institute of South Africa (SERI), as we walk through Johannesburg’s derelict inner city.

“I think part of it is that the South Africa we want to build is one that wants to welcome its neighbours and doesn’t forget the people that welcomed us when we didn’t have a home – and that is why I think they are so poor at maintaining the borders.”

She adds: “But then the call has to be one that says once you are here, how do we make sure you are regularised here, that you know who you are, and contribute to the economy at this point in time.”

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More makeshift migrant accommodation in Johannesburg

Climate of anti-migrant hate

In 1994 as South Africa’s first democratically elected president, Nelson Mandela ordered that all electric fences be taken down.

His dream for South Africa to become a pan-African haven for civilians of neighbouring countries that provided sanctuary for fighters in the anti-Apartheid movement was criticised by local constituents back then.

Image:
Sky correspondent Yousra Elbagir speaks to migrants inside a government van

Now in a climate of increasing anti-migrant hate, that vision is rejected outright.

“I think that is the highest level of sell-out. When South Africans were in exile, they were in camps and they were restricted to go to other parts of those countries,” says Bungani Thusi, a member of anti-immigrant movement Operation Dudula, at a protest in Soweto.

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Anti-immigrant protesters from the group Operation Dudula at a demonstration in Soweto

He is wearing faux military fatigues and has the upright position of an officer heading into battle.

“Why do you allow foreigners to go all over South Africa and run businesses and make girlfriends?” he adds, with all the seriousness of protest.

“South Africans can’t even have their own girlfriends because the foreigners have taken over the girlfriend space.”

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