News
Milford Haven tops list of UK’s most polluted ports
NEW analysis by Transport & Environment UK (T&E UK) has revealed alarming levels of air pollution from ships at UK ports, with Milford Haven, Southampton, and Immingham emerging as the top three for harmful sulphur oxides (SOx) emissions. The study highlights the urgent need for regulatory action to address the severe environmental and health impacts associated with shipping emissions.
The findings show that in 2022, just 472 ships visiting Milford Haven produced nearly 100 times more SOx emissions than all of Pembrokeshire’s 67,000 cars. This disparity is stark, given that Milford Haven had only half the ship traffic of Immingham, which ranked second, yet still managed to emit 50% more SOx. Southampton, ranking third, saw 46 cruise ships – representing a mere 6% of its total vessels – contributing more SOx than 200 container ships.
The top ten ports for SOx pollution, according to T&E UK, collectively saw 3,700 ships emitting 30 times more SOx than the one million cars registered in their respective local authority areas. This paints a troubling picture of the pollution burden borne by port communities.
In terms of nitrogen oxides (NOx), ships in the top ten polluted ports produced nearly 1.75 times as much NOx as the 970,000 cars registered in those areas. Southampton again topped this list, with its ships producing four times more NOx than all the city’s cars, half of which came from cruise ships. The scenario was similar for fine particulate matter (PM2.5), where Southampton also led, with ships producing half as much PM2.5 as a million cars, with cruise ships contributing significantly.
Ships not only release poisonous exhaust fumes but also discharge pollutant-laden wash water from exhaust gas cleaning systems, commonly known as “scrubbers.” This wash water, dumped directly into the sea, adversely affects marine life and exacerbates ocean pollution, a growing concern in the UK. Despite this, only a few UK ports prohibit such discharges.
T&E UK’s rankings were derived from an analysis of SOx, NOx, and PM2.5 emissions from commercial passenger and cargo ships docked at UK ports in 2022. The study included vessels mooring within a 1.5 nautical mile radius of a port’s main coordinates, with emissions compared to pollution from cars registered in the same local authority areas, based on data from the Department for Transport and Driver and Vehicle Licensing Agency.
T&E UK has called for the government to enact comprehensive policy and regulations to address air pollution and greenhouse gas emissions from UK shipping. The forthcoming refreshed Clean Maritime Plan is seen as a critical opportunity for action. Key recommendations include mandating zero-emission berths, implementing a shore-side electricity plan, charging ships for emissions while moored, and designating all UK territorial waters as Emission Control Areas. Additionally, a prohibition on scrubber wash water discharge is urged.
Jonathan Hood, UK Sustainable Shipping Manager at T&E, stated: “The awful levels of pollution revealed in this analysis demonstrate how the UK’s port cities are being choked by the harmful fumes caused by a shipping industry that, thanks to years of government inaction, has no impetus to change. The government has its last chance to chart a better course for the industry with the updated Clean Maritime Plan and it must not waste this opportunity. We need to see a rapid switch away from filthy fossil fuels, and ports must set binding targets to implement zero-emission technologies. These must include shore-side electricity, which would ensure ships can plug in at port and switch off their polluting engines.”
The Rt Hon. the Lord Deben, former Chairman of the UK Government’s Climate Change Committee, added: “It is disheartening to see the staggering levels of emissions from ships around UK ports, as revealed by T&E’s new analysis. There is an urgent need for stringent action from the government by prioritising stricter emissions control measures around UK territorial waters, increasing the use of shore-side electricity across ports, and prohibiting the discharge of dirty scrubber water into waterways. Without decisive action, the health impacts for residents and workers in port towns, not to mention economic costs, will continue to soar, leaving communities to suffer the dire consequences of inaction.”
The Port of Milford Haven said it was “working incredibly hard, inside our own business and with our customers, to reduce emissions and deliver an accelerated transition to a Net Zero future”.
A Port of Milford spokesperson said: “The Port of Milford Haven is the busiest energy port in the UK supporting Britain and Europe with vital energy and fuel. As custodians of the Milford Haven Waterway, our environment is very important to us. Sustainability is one of our core values and we are working incredibly hard, inside our own business and with our customers, to reduce emissions and deliver an accelerated transition to a Net Zero future.
“This year, the Port implemented a ‘Green Ship Incentive Program’ to provide discounted rates for ships that perform better in reducing air emissions. Milford Haven is one of the first UK ports – and the only one in Wales – to financially incentivise environmental improvements to ships.
“In addition, the Port is one of only a handful of UK ports to prohibit ships that use open loop scrubbers to clean exhaust emissions from discharging their wash water within the Milford Haven Waterway.
“The Port of Milford Haven supports the British Port Association’s rebuttal of the report produced by Transport and Energy (T&E) UK and question the methodology they have used to reach their conclusions. We are also disappointed they did not engage with us ahead of the report’s launch.
“The Port of Milford Haven has a pivotal role to play in delivering the UK’s Net Zero ambitions offering a whole energy cycle solution that will unlock accelerated transition while stimulating economic growth. Together with our customers, we are committed to a resilient, low carbon future and as a lead partner in the Milford Haven Energy Cluster we have documented a pathway to achieve this here: Milford Haven Waterway Future Energy Cluster – Delivering an accelerated transition to a Net Zero future – 2023 on Vimeo.”
The British Ports Association, which represents UK operators, said the report lacked critical context and industry research showed emissions from ports were a fraction of wider background emissions in most cities.
Mark Simmonds, the association’s policy director, said most of the industry had “ambitious” net-zero targets, which would have “a positive impact on air quality”.
Crime
Man charged with attempted murder after Carmarthen park incident
57-year-old due in court following alleged knife and stalking offences
A MAN has been charged with attempted murder following a serious incident in Carmarthen town centre last week.
Dyfed-Powys Police confirmed that James McKenna, aged 57, from Carmarthen, has been charged with attempted murder, possession of a bladed article in a public place, and stalking.
The charges relate to an incident in Carmarthen Park on Thursday (Jan 29), which prompted a significant emergency services response and caused concern among residents.
Police have not yet released full details of the circumstances, but officers were seen in and around the park area for several hours following the incident while enquiries were carried out.
McKenna is due to appear before Llanelli Magistrates Court on Thursday (Feb 5).
The Herald understands the case involves allegations of both violence and targeted behaviour towards an individual, with stalking listed among the charges.
Public concern
Carmarthen Park is a popular and busy public space used daily by families, dog walkers and joggers, and incidents of this severity are rare.
The news has prompted concern locally, particularly as the alleged offences include possession of a knife in a public place.
Residents have previously raised questions about safety in parks and open spaces across west Wales, especially during darker winter evenings.
Court proceedings
At this stage, the charges remain allegations and the case will now proceed through the courts.
Magistrates will decide whether the case is sent to Crown Court due to the seriousness of the attempted murder charge.
Further details are expected to emerge during Thursday’s hearing.
The Herald will be attending court and will provide updates as they become available.
Crime
Sex offender jailed after living off grid in Pembrokeshire and refusing to register
Man walked into police station after months avoiding authorities
A CONVICTED sex offender who told police he intended to live “off grid” rather than comply with legal monitoring rules has been jailed after handing himself in at a Pembrokeshire police station.

Christopher Spelman, aged 66, of no fixed address, appeared for sentence at Swansea Crown Court after admitting breaching the notification requirements of the sex offenders register.
The court heard Spelman was released from prison in Dorset on July 4 last year but immediately refused to provide police with an address, despite being legally required to do so within three days.
Instead, he indicated he planned to buy a tent and live outdoors.
Prosecutor Brian Simpson said officers subsequently launched a nationwide search when Spelman failed to make contact with police. Public appeals were issued and his case featured on the television programme Crimewatch.
Detectives believed he had been travelling around the UK using public transport and staying at campsites. He was known to have links to several areas including Merseyside, Manchester, Devon, Cornwall and Hampshire.
His whereabouts remained unknown until January 3 this year, when he walked into Haverfordwest police station and was arrested. It is unclear how long he had been in Pembrokeshire.
Spelman previously served seven years in prison after being convicted in 2014 of 12 counts of sexually assaulting a girl under the age of 14. He was placed on the sex offenders register for life.
The court heard this was not the first time he had failed to comply with the rules. After an earlier release in 2016, he again failed to register his address and avoided police for around five years before being caught.
He has 11 previous convictions for 29 offences.
Defence barrister Andrew Evans described the case as unusual and said his client had long disputed his original conviction and had expressed a wish to live “outside society”.
However, he said Spelman had gradually accepted that he remained subject to court orders and now wanted more stable accommodation and a chance to rebuild his life. The defendant asked the court to impose a custodial sentence so arrangements could be made for his future release.
Judge Geraint Walters noted there were signs Spelman wished to change but warned that any further breaches would result in longer prison terms.
With credit for his guilty plea, Spelman was sentenced to 10 months in prison. He will serve up to half in custody before being released on licence.
Crime
Former Wales rugby star admits Christmas Day drink-driving offence
Ex-Ospreys captain was almost twice over limit in Pembroke town centre
Former Wales back row Jonathan Thomas has admitted driving through Pembroke town centre on Christmas Day when he was almost twice over the drink-drive limit.
This week Haverfordwest magistrates heard that Thomas, 43, was stopped by officers as he drove his Mercedes CLA 220 along The Green, Pembroke, at around 5pm on Christmas Day.
“The officers were very concerned at the manner of his driving, as the car was being driven erratically and was swerving to the other side of the road,” said Crown Prosecutor Sian Vaughan.
“When Jonathan Thomas got out of the car, the officers could see that he was having difficulty standing and was unsteady on his feet.”
Subsequent breathalyser tests showed Thomas had 62 mcg of alcohol in his system, the legal limit being 35.
Thomas, who has no previous convictions, pleaded guilty to the drink-drive charge and was represented in court by solicitor Jess Hill.
“He has family in the area and had travelled to spend time with them on Christmas Day,” she told the magistrates. “He’s very remorseful for his actions and hugely regrets his decision that day.”
Jess Hill concluded by saying that Thomas is currently “between jobs and living off his savings”.
Thomas, who gave his address as Main Road, Bredon, was disqualified from driving for a total of 18 months.
“The length of your disqualification reflects the fact that you were more than a little bit over the limit,” commented the presiding magistrates when imposing sentence.
He was fined £120 and ordered to pay £85 costs and a £48 court surcharge.
The former Wales back row left his role as Swansea RFC head coach at the beginning of December 2025 as a result of ongoing health concerns. He was forced to retire from playing in 2015 on medical advice after being diagnosed with epilepsy and is one of the 390 former rugby union players currently taking part in a concussion lawsuit against the sport’s authorities.
“Long-standing issues linked to the head trauma have caused me some concern recently and it has been impossible for me to give the role everything it needs,” he said in a previous interview with the BBC.
His rugby career started out with Pembroke RFC juniors before moving to Swansea RFC, which he captained when he was 19. He then joined the Ospreys where, over a ten-year period, he won four league titles and an Anglo-Welsh Cup. He was the youngest player to captain the Ospreys and, at the time of leaving, was the joint highest appearance holder, together with Andrew Bishop, on 188 appearances.
His international career saw him play for Wales at Under-16, Youth, Under-19, Under-21 and Sevens levels. He made his senior international debut against Australia in 2003, featured at the 2007 Rugby World Cup and was part of two Six Nations Grand Slam-winning sides in 2005 and 2008. Between 2004 and 2011, Thomas was included in every Wales Six Nations squad. In his appearances for Wales, he scored seven tries.
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