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Britain’s critical infrastructure will be more at risk from extreme weather if the world wavers on its commitment to net zero targets, according to exclusive analysis for Sky News.

Power stations, transport networks and airports are all more likely to be damaged or disrupted as global average temperatures climb higher, data from risk assessors Climate X shows.

The UK government recently watered down green commitments to save money on household bills.

But analysis suggests that, if other countries do the same, there will be higher long-term costs from shoring up or repairing infrastructure to keep the lights on and supermarket shelves stocked.

Navjit Sagoo, science engagement officer at Climate X, said: “Net zero is not as expensive as doing nothing. Doing nothing is always more expensive.”

Climate X advises insurance companies and businesses on climate risks and resilience.

It looked at about 22,000 buildings and other infrastructure assets for Sky News using a “digital twin” of the UK to model how they fared at two different climates in the year 2100.

More on Net Zero

In the first, the global average temperature rose by 1.6C from pre-industrial levels and would only be achieved through rapid cuts to greenhouse gases.

In the second, the global temperature rose by 4.3C, consistent with much weaker climate action.

The results show that power stations, rail and Tube stations, motorway junctions and airports were all more at risk from at least one climate hazard at the higher temperature.

“Our infrastructure wasn’t built to withstand these kind of climate extremes,” said Dr Sagoo.

“We will have hotter weather, so things will be stressed more from the heat, and we’ll have wetter weather as well.”

Of the 4,000 energy facilities analysed, 100% were at risk from storm damage at 4.3C, compared with just 60% at 1.6C.

Climate X took a closer look at Pembroke and Staythorpe power stations, which provide electricity to nearly seven million homes.

With rapid cuts in carbon emissions, the Pembroke site is likely to flood every 60 years and Staythorpe every 40 by the end of the century.

But with weaker climate action, then Pembroke could flood every 42 years, and Staythorpe every 17.

Climate X also assessed the risk to more than 14,000 rail and Tube stations.

In the cooler of the two scenarios studied, 61% would be at risk from storms and 18% from subsidence by the end of the century.

But in a far hotter future, that increases to 100% and 28%.

Road transport could also become more difficult in the hotter of the two possible future climates, with 18% of motorway junctions at risk of river flooding.

Keeping the rise in temperature to just 1.6C would put 11% at risk of flooding.

“It definitely becomes more real when you think about climate change in terms of infrastructure rather than just warming,” said Dr Sagoo.

“The train station you rely on to go to work, that’s going to be flooded. Or the airport you use to go on holiday will be impacted.

“The more severe the warming is, the more frequently those events are going to happen.”

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The UK is already seeing more extreme weather as global temperatures rise, so far up 1.1C since pre-industrial levels.

Hastings on the East Sussex coast has flooded twice this year after torrential rain.

Hastings Furniture Service, a charity that provides affordable furniture to low-income families, lost £20,000 of stock after being flooded to a depth of 3ft.

Kate Davidson, who leads the charity, said volunteers had been “heartbroken” by the damage. She’s now thinking about how to make the service more resilient.

“Maybe we have to have a bit of a ramp up to the next building, just to lift it a little bit, which sounds bizarre in Hastings or in England.

“I think we need to be a little bit higher.”

The government’s climate advisers, the Climate Change Committee, has also warned that the UK is unprepared for the impact of more extreme weather.

It highlighted the risks to the economy from power system failures and the supply of food and vital services if distribution networks are blocked.

The government’s Department for Energy Security and Net Zero told Sky News that it has a plan to increase the country’s resilience to climate risks, with “billions” being spent on adaptation measures such as flood schemes.

Power companies have also been told to risk assess their assets to gauge their resilience.

In a statement, a government spokesperson said: “We are on track to deliver our net-zero commitments, and are taking a fairer and more pragmatic approach to meeting them, easing the burden on hard-working families.

“Our third National Adaptation Programme sets out a robust five-year plan to strengthen infrastructure, and promote a greener economy in the face of the climate challenges we face.”

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Passengers travelling to Heathrow Airport face delays on M4 after car catches fire in tunnel

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Passengers travelling to Heathrow Airport face delays on M4 after car catches fire in tunnel

Passengers travelling to Heathrow Airport are facing delays on the road after a vehicle caught fire in a tunnel.

“Due to an earlier vehicle fire, road access to Terminals 2 and 3 is partially restricted,” the airport said in a post on X shortly before 7am.

“Passengers are advised to leave more time travelling to the airport and use public transport where possible.

“We apologise for the disruption caused.”

AA Roadwatch said one lane was closed and there was “queueing traffic” due to a vehicle fire on Tunnel Road “both ways from Terminals 2 and 3 to M4 Spur Road (Emirates roundabout)”.

“Congestion to the M4 back along the M4 Spur, and both sides on the A4. Down to one lane each way through one tunnel…,” it added.

National Highways: East said in an update: “Traffic officers have advised that the M4 southbound spur Heathrow in Greater London between the J4 and J4A has now been reopened.”

The agency warned of “severe delays on the approach” to the airport, recommended allowing extra time to get there and thanked travellers for their patience.

The London Fire Brigade said in a post on X just before at 7.51am it was called “just before 3am” to a car fire in a tunnel near HeathrowAirport.

“Firefighters attended and extinguished the fire, which involved a diesel-powered vehicle. No one was hurt and the airport has now confirmed the tunnel has re-opened.”

Travellers writing on social media reported constrasting experiences, with @ashleyark calling it “complete chaos on all surrounding roads”, but @ClaraCouchCASA said she “went to T5 and got the express to T3”, describing the journey as “very easy and no time delay at all. 7am this morning. Hope this helps others”.

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This breaking news story is being updated and more details will be published shortly.

Please refresh the page for the fullest version.

You can receive Breaking News alerts on a smartphone or tablet via the Sky News App. You can also follow @SkyNews on X or subscribe to our YouTube channel to keep up with the latest news.

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Man arrested on suspicion of murder after woman shot dead in Talbot Green, South Wales

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Man arrested on suspicion of murder after woman shot dead in Talbot Green, South Wales

A man has been arrested on suspicion of murder after a 40-year-old woman was shot dead in South Wales.

The woman was found with serious injuries just after 6pm on Sunday and died at the scene despite the efforts of emergency services.

She was discovered in the Green Park area of Talbot Green, a town about 15 miles west of Cardiff.

A 42-year-old local man is in police custody.

Detective Chief Inspector James Morris said: “I understand the concern this will cause the local community, and I want to reassure people that a team of experienced detectives are already working at pace to piece together the events of last night.”

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South Wales Police said a number of crime scenes have been set up and road closures are in place.

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Drivers ‘confused’ by transition to electric vehicles, ministers warned

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Drivers 'confused' by transition to electric vehicles, ministers warned

UK drivers are “confused” by the country’s electric car transition, ministers are being warned.

Although most drivers are not hostile towards electric vehicles (EVs), many are confused about what changes are coming and when, according to new research from the AA.

In a survey of more than 14,000 AA members, 7% thought the government was banning the sale of used petrol and diesel cars.

Around a third thought manual EVs exist, despite them all being automatic.

More than one in five said they would never buy an EV.

The government’s plan for increasing the number of electric vehicles being driven in the UK focuses heavily on increasing the supply of the vehicles.

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What you can do to reach net zero

In 2024, at least 22% of new cars and 10% of new vans sold by each manufacturer in the UK had to be zero-emission, which generally means pure electric.

More on Climate Change

Each year, those percentages will rise, reaching 80% of new cars and 70% of new vans in 2030.

Manufacturers will face fines of £15,000 per vehicle if electric vehicle sales fall short of 28% of total production this year.

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By 2035, all new cars and vans will be required to be fully zero emission, according to the Department for Transport.

Second-hand diesel and petrol cars will still be allowed to be sold after this date, and their fuel will still be available.

There are more EVs – but will people buy them?

In February, 25% of new cars were powered purely by battery and in January, they made up 21% of all new cars registered in the UK.

But despite the growth of electric sales, manufacturers continue to warn that the market will not support the growth required to hit government EV targets, and called for consumer incentives and the extension of tax breaks.

The AA suggested the government’s plan focuses on “supply but does little to encourage demand for EVs”.

It called on ministers to co-ordinate a public awareness campaign alongside the motoring industry which directly targets drivers who doubt the viability of EVs.

“Our message to government is more needs to be done to make EVs accessible for everyone,” said Jakob Pfaudler, AA chief executive.

Which? head of consumer rights Sue Davis said: “When it comes to making sustainable choices such as switching to an electric car, our research shows that people are often held back by high costs, complex choices or uncertainty.

“The government needs to provide the right information on electric vehicles and other sustainable choices so that people have the confidence to switch.”

A Department for Transport spokesperson said: “We’re investing over £2.3bn to help industry and consumers make a supported switch to EVs.

“This includes installing a public charge point every 28 minutes, keeping EV incentives in the company car tax regime to 2030, and extending 100% first-year allowances for zero-emission cars for another year.

“Second-hand EVs are also becoming cheaper than ever, with one in three available under £20,000 and 21 brand new models available for less than £30,000.

“We’re seeing growing consumer confidence as a result.”

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