Record heatwave must be 'wake-up call' for Britain to prepare for Mediterranean climate, experts warn

UK Heatwave Shatters June Records

The record-breaking heatwave gripping the UK should act as a "wake-up call" for Britain to urgently prepare for a Mediterranean climate, experts have warned – with such extreme heat set to happen "again and again". Hundreds of schools were forced to close and three NHS trusts declared critical incidents this week as temperature records for June were shattered for three days in a row, with mercury topping 37.3C in Santon Downham, Suffolk, on Friday.

Travel Chaos and Extended Warnings

Extreme heat warnings have been extended overnight into Sunday for much of the country, and more than 800 flights were delayed at London's Gatwick and Heathrow airports as the heatwave turned to thunderstorms.

Deadly Heat Dome Moves Across Europe

The deadly heat dome is now moving east to mainland Europe, where temperatures are set to soar above 40C with records broken in Denmark and Slovakia, while roads in Germany are buckling under the strain as it reached a provisional record high of 41.5C. Hundreds of people are believed to have been killed. Some 327 fatalities in Spain are thought to be linked to the extreme heat, while at least 55 people have died in France.

National Heat Risk Commission Issues Stark Warning

Emma Howden Boyd, chair of the independent National Heat Risk Commission (NHRC), said the stifling temperatures are not a one-off, warning: "This is something that we are going to see happening again and again." She said the heatwave should "absolutely" act as "a wake-up call" for Britain to upgrade its infrastructure to withstand higher temperatures alongside work to tackle carbon emissions. "Some argue we should focus less on reaching net zero and more on adapting to climate change," she said. "But adaptation without mitigation is like bailing out a boat while drilling more holes in the hull. We have to do both."

The NHRC, based at the Grantham Research Institute on Climate Change and the Environment at the London School of Economics and Political Science, was established earlier this year in the wake of a July 2022 heatwave, which saw temperatures in Britain exceed 40C for the first time in recorded history. Nearly 3,000 Britons died from heat-related causes that summer as runways softened, rails buckled and hospital IT systems shut down amid the sweltering heat.

Urgent Calls for Infrastructure Upgrades

National upgrades to mitigate against higher temperatures and flash flooding, which often follows heatwaves, must now be "top of the agenda" alongside reducing carbon emissions, Ms Howden Boyd said. "We either have a chance to build in that resilience or lock in future vulnerability," she told The Independent. Urging Britons to start thinking about measures to make their homes more heat safe, like installing shutters or planting trees nearby, she added: "We need to start thinking about our climate becoming a Mediterranean climate."

Met Office Projections and Think Tank Analysis

According to the Met Office, summers could be between 1C and 6C warmer by 2070 and up to 60 per cent drier, depending on the region. Spanish plumes, which bring hot conditions, could become more intense, creating even hotter weather and more intense downpours during summer thunderstorms. The Green Alliance, a London-based think tank, said that higher temperatures are the reality of climate change and people are paying the price, after more died in the heatwave of July 2022 than were killed on the roads that year. Director of politics, Holly Brazier Tope, said: "We built and planned our homes and communities for a UK that isn't this hot, and right now, people are paying the price. Schools are closing early, NHS appointments are being cancelled, trains are running late. This is the reality of climate change on our doorstep and successive governments have left people to face it unprotected. Without urgent action, 92 per cent of existing homes could overheat by mid-century and heat-related deaths could triple."

Tragic Water Deaths Reported

A 22-year-old man's body was recovered from the River Severn in Shrewsbury after getting into difficulty during the heatwave, police said. A 15-year-old boy also died in the water at Testwood Lakes near Southampton. The deaths bring the toll to three after a 50-year-old man was pronounced dead at Aberavon beach in Wales.