Climate
West Wales scientists to test if snow is melting high on Everest
RESEARCHERS plan to test if the snow high up on Everest is melting, threatening the water supplies of over one billion people.
Despite air temperatures being well below zero on the highest mountain on Earth, it is believed that the snow may be melting due to rising air temperatures combined with intense solar radiation.
If the theory proves correct, it would suggest that the glaciers in the Himalayas are thawing faster than expected.
Glaciers in the highest mountains of the planet are an extremely important source of water with over one billion people – including many in India, Pakistan and Bangladesh – depending on Himalayan runoff.
Changes in the rate of glacier thawing would threaten this water supply. Another danger would also be more flooding from failures of natural ice dams, or so-called Glacial Lake Outburst Floods.
The new project follows previous findings by Aberystwyth University and University of Leeds researchers which showed that the temperature of the ice in the lower parts of Khumbu Glacier, at the foot of Mount Everest, is warmer than would be expected given the local air temperature.
As part of the research, Professor Bryn Hubbard from Aberystwyth University will work with Professor Duncan Quincey of the University of Leeds to lead a team to the Western Cwm, over six kilometres above sea level and half a kilometre above base camp.
The researchers expect to go on their first trip in spring 2025 to drill into the surface of the upper reaches of Khumbu Glacier and use the boreholes to record temperatures. The team will also install automatic weather stations at the study sites.
This data will help them look for evidence of melting and refreezing within the glacier’s surface snowpack.
Professor Bryn Hubbard from Aberystwyth University’s Department of Geography and Earth Sciences said:
“It may well be a bit of a surprise to many that snow is melting within the mountain’s Western Cwm, but it is increasingly likely and it needs to be investigated and measured if we are going to be able to identify the effects of climate change on this water-stressed region and beyond.
“Understanding and recording what actually happens inside these glaciers is critical to developing computer models of their response to anticipated climate change. Equally important is developing a better understanding of how they flow so that we can better predict when dams that form on these glaciers are likely to be breached, releasing destructive volumes of water to the valleys below. This is a real risk in the Himalayas as it is in other regions such as the Andes and has the potential to endanger the lives of thousands of people.”
Scientific observations are rarely made at high altitudes because of the logistical challenges in transporting equipment.
The team is designing a new lightweight drilling setup to overcome these barriers. However, it will still face problems such as maintaining battery power in freezing temperatures and working in areas with harsh living conditions and low levels of oxygen.
Professor Duncan Quincey explained:
“Our previous work has relied on helicopters to transport our equipment onto the glacier, but given how thin the air is in the Western Cwm, we can’t be sure the helicopters will be able to fly this time. We also won’t know quite how the equipment will fare in such harsh conditions, because it is designed to operate in much warmer conditions – as could also be said for the human body! But if we can successfully drill even a single borehole within the Western Cwm, that will be a major success. Most importantly, it will lead us to being able to model how water supplies are likely to change for a large part of the world’s population with much greater certainty.”
Professor Hubbard added:
“This work will also give us a new understanding of processes and changes that are relevant for all glaciers in similar settings world-wide. Hopefully, it will resolve outstanding debates about the possibility of net mass loss at the world’s highest elevations and indicate the extent to which other glaciers within the Himalayas may also contain unexpectedly warm ice.
“We should also be able to provide insights into a rarely observed cryospheric zone that can inform public policy on climate change. As part of this, we will be providing further evidence for supporting agencies such as the United Nation’s Development Programme, and the Nepalese government. This should help them prepare for, and mitigate against, a now inevitable change in meltwater supply as climatic changes continue to influence the region.”
The project is funded by the Natural Environment Research Council and is a collaboration between academics from Aberystwyth and Leeds universities.
Climate
Urgent calls for action on Pembroke Commons flooding
TWO PEMBROKESHIRE councillors have submitted an urgent call for action following recent heavy flooding in parts of Pembroke.
Pembroke councillors Aaron Carey and Jonathan Grimes have submitted an urgent notice of motion ahead of tomorrow’s December 12 meeting of Pembrokeshire County Council following heavy flooding in the town’s Commons and Castle Pond area.
The notice of motion covers six points.
“That this council notes with concern the repeated and increasingly severe flooding experienced in our coastal, estuarial and river-fringe communities over recent weeks — in particular the flooding events affecting the Commons/Castle Pond area.
“That the council further notes that, according to correspondence from the Coastal, Rivers & Drainage Team Manager, the tipping gate at the barrage remains out of operation until mid-January due to mechanical issues; meanwhile high tide, heavy rain, wind-driven tidal surges and overspill at the sluice have combined to overwhelm the drainage/outfall infrastructure.
“That we recognise the current maintenance schedule (delayed till after the summer season) and the justification given — but further that such planning failed to foresee the likelihood of severe winter storm and surge events, which climate change makes more frequent and more intense.
“That this council therefore calls on the Cabinet to commission an urgent review of:
- The adequacy of the current drainage/outfall and tidal-sluice infrastructure (barrage tipping gate, sluice/sluice-valve, flap valve, outfall capacity) for current and projected climate/tide conditions.
- The maintenance scheduling policy for coastal and estuarial flood-risk assets, with a view to ensuring critical maintenance is completed before winter high-tide / storm-surge season, rather than — as at present — being delayed until after summer for ‘recreational / biodiversity’ reasons.
“That, pending the outcome of the review, the council should allocate appropriate emergency capital funding to remediate the barrages / sluices / outfalls at risk of failure or blockage — to safeguard residents, properties, highways and public amenities from further flooding.
“That, further, this council resolves to publish a public flood-resilience plan for the county, identifying all coastal and river-fringe ‘hotspots,’ maintenance schedules, responsible teams, and a transparent timeline for upgrades or remedial works — so residents have clarity and confidence in flood prevention measures.”
The submission also includes a question for Cabinet Member Cllr Rhys Sinnett.
“In light of the repeated flooding events across the county – including the recent overflow at Castle Pond and the acknowledgement by your own Coastal, Rivers & Drainage Team that the barrage tipping gate remains inoperable until mid-January can you explain what assessment has been made of the adequacy of our tidal outfall infrastructure in the face of current and projected future storm surges and sea-level rise?
“If no such assessment has yet been undertaken, will you commit now to commissioning an immediate structural and risk-capacity audit, with a report to full council within three months, and with proposals for funding any remedial works required — to avoid recurring damage and disruption to residents, highways, and public amenities?”
A Pembrokeshire County Council spokesman has confirmed the 11th hour call will be heard by full council tomorrow.
Image: Martin Cavaney
Climate
UK marks 25 years since first offshore wind farm began generating power
Sector now powers millions of homes and supports 40,000 jobs
THE UK today (Dec 8) marks a significant milestone: 25 years since the country’s first offshore wind farm began generating electricity. Blyth Offshore Wind Farm, built off the Northumberland coast in 2000, consisted of just two turbines producing four megawatts of power — enough for three thousand homes — and laid the foundations for what has become one of the UK’s most important energy industries.
In the space of a single generation, offshore wind has grown into the UK’s largest source of clean electricity. In 2024 it provided more than thirty-four per cent of all renewable power and generated a record seventeen per cent of the UK’s electricity overall, totalling 48.5 terawatt hours. The current fleet has a combined capacity equivalent to five large nuclear power stations.
Across UK waters, 2,878 turbines are now in operation — ten floating and 2,868 fixed — with a total generating capacity of 16.1 gigawatts. That is enough to power more than sixteen million homes each year. Industry estimates suggest that, without this development, the UK would have had to burn an additional twenty million tonnes of gas over the past twenty-five years, producing more than sixty million tonnes of CO₂.
The sector’s growth has also reshaped the economy. Nearly two thousand companies now operate within the UK wind supply chain, including one hundred and sixty factories. Their combined activity is forecast to contribute £18.2bn to the UK economy over the next decade. Around forty thousand jobs are currently supported by offshore wind — a figure projected to rise to ninety-four thousand by 2030.
Construction is accelerating. More than 7.5GW of new offshore wind is already being built and is due to become fully operational within the next two years, with a further 22GW consented through to 2033.
‘Britain is once again leading the world in clean power’
Energy Minister Michael Shanks MP said: “Twenty-five years after the first offshore wind turbines began to turn, Britain is once again leading the world in clean homegrown power. Offshore wind is at the heart of our 2030 mission – helping us reduce our dependence on volatile fossil fuel markets, lower bills for good, and support one hundred thousand jobs by 2030.”
RenewableUK’s Deputy Chief Executive Jane Cooper said the sector’s progress had brought “jobs, investment, energy security, and environmental benefits in equal measure,” adding that next month’s clean power auction could secure a record amount of new offshore capacity. “A consistent pipeline of projects is vital to trigger new investment in factories and supply chain companies,” she said.
Julia Rose, Head of Offshore Wind at The Crown Estate, said the UK’s first 25 years demonstrated “the transformative power of collaboration and strategic vision,” noting that 45 operational wind farms are now in UK waters with a 95GW development pipeline. The Crown Estate plans to bring a further 20–30GW of new leasing opportunities to market by 2030.
Ed Daniels, CEO of Venterra Group, highlighted the role of the UK’s supply chain: “Offshore wind’s success has created tens of thousands of skilled jobs, rejuvenated coastal communities and established the UK as a global exporter of expertise. Continued investment is essential to deliver economic growth and energy security over the next twenty-five years.”
Climate
Fishguard ‘battery box’ scheme near school refused
PLANNERS have refused a Pembrokeshire ‘battery box’ electricity storage unit near a Pembrokeshire town school, which has seen local objections including fears of a potential risk to nearby school children.
In an application recommended for approval at the December meeting of Pembrokeshire County Council’s planning committee, AMP Clean Energy sought permission for a micro energy storage project on land at Fishguard Leisure Centre Car Park, near Ysgol Bro Gwaun.
The application had previously been recommended for approval at the November meeting, but a decision was deferred pending a site visit.
The scheme is one of a number of similar applications by AMP, either registered or approved under delegated planning powers by officers.
The battery boxes import electricity from the local electricity network when demand for electricity is low or when there are high levels of renewable energy available, exporting it back during periods of high demand to help address grid reliability issues; each giving the potential to power 200 homes for four hours.
The Fishguard scheme, which has seen objections from the town council and members of the public, was before committee at the request of the local member, Cllr Pat Davies.
Fishguard and Goodwick Town Council objected to the proposal on grounds including visual impact, and the location being near the school.
An officer report said the scheme would be well screened by a Paladin Fence, with a need to be sited close to an existing substation.
Speaking at the December meeting, Ben Wallace of AMP Clean Energy conceded the boxes were “not things of beauty” before addressing previously raised concerns of any potential fire risk, saying that “in the incredibly unlikely” event of a fire, the system would contain it for up to two hours, giving “plenty of time” for it to be extinguished, an alarm immediately sounding, with the fire service raising no concerns.
“These are fundamentally safe, the technology is not new,” he said, comparing them to such batteries in phones and laptops.
One of the three objectors at the meeting raised concerns of the proximity to homes and the school, describing it as “an unsafe, unsustainable and unnecessary location,” with Cllr Jim Morgan of Fishguard Town Council, who had previously raised concerns of the “nightmare scenario” of a fire as children were leaving the school, also voicing similar issues.
Local county councillor Pat Davies, who had spoken at the previous meeting stressing she was not against the technology, just the location and the potential risk to pupils, said the siting would be “a visual intrusion,” with the school having many concerns about the scheme, adding it had been “brought forward without any dialogue of consultation with the school”.
Cllr Davies added: “It is unacceptable that a micro-storage unit should be proposed in this area; someone somewhere has got it wrong.”
Following a lengthy debate, committee chair Cllr Mark Carter proposed going against officers in refusing the scheme; members unanimously refusing the application.
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