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• The Russian military has a new pop song celebrating its ‘Son of Satan’ nuclear ICBMs
• Flood warning
• How space-based solar power works — and why it's being considered now
• Complete Tasks
• How can I change "Today's Tasks" on the Home page to show all tasks?
• 'Outstanding appointment': Former prime minister Kevin Rudd posted to Washington as Australia's US ambassador

"What used to happen is we used to get quite frequent high bounces and really low bounces … and in those high bounces, the biodiversity would have taken off, and would have had enough to respond and wait for the next big boom period. Kingsford uses the analogy of a bouncing ball to describe the way the river would oscillate between dry and wet. "There's no doubt that this flood will be fantastic for future generations. The question is how much of a bounce has happened." "We have an obligation to make sure that our future generations have something to springboard off, and at this present moment they are not going to have that."

It all put me in mind of a man who’d made a house of ice in deepest winter but now senses spring around the corner, and must move his furniture out before it all melts and collapses around him. The last drought broke all the records and future inflows have consequently been downgraded. But heat, drought and floods continue to break records as climate change intensifies. Constructed by a firm named Posiva, Onkalo has been hewn into the island of Olkiluoto, a brief bridge’s length off Finland’s south-west coast. When I visited in October, the birches on Olkiluoto had turned to a hot blush. In a van, we went down a steep, dark ramp for a quarter of an hour until we reached Onkalo’s lowest level, and here I caught the acrid odour of a closed space in which heavy machinery has run for a long time.

The Russian military has a new pop song celebrating its ‘Son of Satan’ nuclear ICBMs

You can also view and update tasks from the Task page, which you can launch from a link in your email notification. In June, the Army awarded General Dynamics a $1.14 billion contract to build and field the first 96 Mobile Protected Firepower vehicles. Army units are expected to receive the first vehicles in late fiscal 2025. But for now she believes the large amount of water in storage will offer some reprieve for communities hit by back-to-back disasters. Smith says it's critical governments maintain a long-term perspective when it comes to water resource planning and water security. "If you enlarge a dam, you get a bigger surface area with more shallow water, so you'll increase the evaporation.

If Onkalo begins operating on schedule, in 2025, it will be the world’s first GDF for spent fuel and high-level reactor waste – 6,500 tonnes of the stuff, all from Finnish nuclear stations. The species that is building it, Homo sapiens, has only been around for a third of that time. The Home page displays a summary of tasks assigned to you and their status, such as Open, Late, Due Today, or Due in 7 Days. A number to the left of the status indicates the number of tasks with that status.

Flood warning

I kept being told, at Sellafield, that science is still trying to rectify the decisions made in undue haste three-quarters of a century ago. Many of the earliest structures here, said Dan Bowman, the head of operations at one of Sellafield’s two waste storage ponds, “weren’t even built with decommissioning in mind”. Sellafield compels this kind of gaze into the abyss of deep time because it is a place where multiple time spans – some fleeting, some cosmic – drift in and out of view. Laid out over six square kilometres, Sellafield is like a small town, with nearly a thousand buildings, its own roads and even a rail siding – all owned by the government, and requiring security clearance to visit.

The only change was the dwindling number of rods coming in, as Magnox reactors closed everywhere. This year, though, governments felt the pressure to redo their sums when sanctions on Russia abruptly choked off supplies of oil and gas. Wealthy nations suddenly found themselves worrying about winter blackouts. In this crisis, governments are returning to the habit they were trying to break. Germany had planned to abandon nuclear fuel by the end of this year, but in October, it extended that deadline to next spring.

How space-based solar power works — and why it's being considered now

But the pursuit of commercial reprocessing turned Sellafield and a similar French site into “de facto waste dumps”, the journalist Stephanie Cooke found in her book In Mortal Hands. What looked like a smart line of business back in the 1950s has now turned out to be anything but. With every passing year, maintaining the world’s costliest rubbish dump becomes more and more commercially calamitous. From Helsinki, if you drive 250km west, then head another half-km down, you will come to a warren of tunnels called Onkalo. Other underground vaults have been built to store intermediate waste, but for briefer periods; one that opened in a salt cavern in New Mexico in 1999 will last merely 10,000 years.

Before leaving every building, we ran Geiger counters over ourselves – always remembering to scan the tops of our heads and the soles of our feet – and these clacked like rattlesnakes. A pipe on the outside of a building had cracked, and staff had planted 10ft-tall sheets of lead into the ground around it to shield people from the radiation. Compared to the longevity of nuclear waste, Sellafield has only been around for roughly the span of a single lunch break within a human life. Still, it has lasted almost the entirety of the atomic age, witnessing both its earliest follies and its continuing confusions.

In Sellafield, these nuclear divers will put on radiation-proof wetsuits and tidy up the pond floor, reaching the places where robotic arms cannot go. Not far from the silos, I met John Cassidy, who has helped manage one of Sellafield’s waste storage ponds for more than three decades – so long that a colleague called him “the Oracle”. Cassidy’s pond, which holds 14,000 cubic metres of water, resembles an extra-giant, extra-filthy lido planted in the middle of an industrial park. In the water, the skips full of used fuel rods were sometimes stacked three deep, and when one was placed in or pulled out, rods tended to tumble out on to the floor of the pond. Most of the atoms in our daily lives – the carbon in the wood of a desk, the oxygen in the air, the silicon in window glass – have stable nuclei. But in the atoms of some elements like uranium or plutonium, protons and neutrons are crammed into their nuclei in ways that make them unsteady – make them radioactive.

The laser can slice through inches-thick steel, sparks flaring from the spot where the beam blisters the metal. If Philip K Dick designed your nightmares, the laser snake would haunt them. Queen Elizabeth II at the opening ceremony of the Windscale nuclear power station, later known as Sellafield, in 1956.

Flasks of nuclear waste in the vitrified product store at Sellafield in 2003. For our most difficult tasks , we provide intense bootcamp training for those who want to get really good at these tasks. The training is intensive — it takes 2 weeks on average — but graduates can work on our most difficult and highest paying tasks.

Sellafield’s presence, at the end of a road on the Cumbrian coast, is almost hallucinatory. One moment you’re passing cows drowsing in pastures, with the sea winking just beyond. Then, having driven through a high-security gate, you’re surrounded by towering chimneys, pipework, chugging cooling plants, everything dressed in steampunk. The expenditure rises because structures age, growing more rickety, more prone to mishap. In 2005, in an older reprocessing plant at Sellafield, 83,000 litres of radioactive acid – enough to fill a few hundred bathtubs – dripped out of a ruptured pipe. The plant had to be shut down for two years; the cleanup cost at least £300m.