A Saudi visa crackdown left Hajj pilgrims feeling unable to ask for help in a killer heatwave, survivors and the families of the dead told Climate Home.
For the first time this year, Saudi authorities required all pilgrims to wear identification on a “Nusuk Card” around their neck, allowing security forces to check they had the Hajj visa. Banners and phone messages warned against attending Hajj without this visa and many breaching these rules were deported.
A government-controlled Youtube channel said before the Hajj that the Nusuk Card “enables access to urgent medical care” and one survivor told Climate Home that, despite feeling tired and dizzy, he felt unable to ask for medical help for fear of punishment and deportation because he only had a tourist visa.
Temperatures in Mecca reached 51.8C this year, an unusually high figure which Climatemeter scientists have said was “mostly exacerbated by human-driven climate change”.
Over 1,300 people died during the heatwave and more than four-fifths of them were without official permits, according to Saudi Health Minister Fahad Al-Jalajel. Foreign governments have largely blamed travel agents for facilitating these irregular pilgrimages, while the Saudi authorities and climate change have mostly escaped blame.
One of those without a permit was Ibrahim, a retired Egyptian head teacher. To dodge visa checks, he walked 19 km in the baking heat to Arafat, a sacred hill near Mecca. He told Climate Home that he had asked buses carrying pilgrims with permits to stop and take him “but no one stopped, no one helped us”.
#No_Hajj_without_a_permit because services are directly linked to it, and accessing the Holy Sites without a permit is a violation that merits legal consequences.#Makkah_and_Madinah_Eagerly_Await_You#No_Hajj_without_a_permit#Hajj_1445H pic.twitter.com/aapODeC018
— Ministry of Hajj and Umrah (@MoHU_En) May 22, 2024
Fahad Saeed, a Pakistani climate scientist with Climate Analytics, told Climate Home: “The Hajj pilgrimage is a profound reminder to every Muslim of equality in the eyes of God. Yet, the disparity in the safety of pilgrims based on their financial means starkly contradicts this spirit of equality.”
Two-tier system
The city of Mecca is where the founder of Islam, the Prophet Muhammad, was born and lived most of his life. One of the religion’s five central pillars is that all believers should, if they’re healthy and can afford it, visit the city at least once on a pilgrimage known as Hajj and carry out a series of rituals.
Since Muhammad’s time, Islam has expanded across the globe and is now the religion of about a quarter of the world’s people. As the Hajj takes place for a single five-day period each year, there are far more people wanting to take part than the city can handle. Over 1.5 million pilgrims arrived in Mecca for the event last June.
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Official visas to enter Mecca during the Hajj are rationed through a lottery system, working with specialist travel agencies. But some travel agents also advise pilgrims on how to enter Mecca without an official visa.
That was how Ibrahim, who had been saving up for the Hajj for thirty years, got to Mecca. He did not want to reveal his second name out of fear of the Saudi government’s punishment.
He told Climate Home that he couldn’t afford an official visa 500,000EGP ($10,000). He entered Saudi Arabia with a normal tourist one and, with the help of a tourism company, he was able to bribe his way through checkpoints into Mecca.
He found accommodation in the suburb of Al-Aziziyah but authorities quickly raided the area before the start of Hajj. Many pilgrims without official visas were fingerprinted and deported but Ibrahim was just driven out of the city towards Jeddah.
For 1,000 Riyals ($267), he found a taxi to take him back to Al-Aziziya where he hid until the first day of Hajj. This is the pilgrimage’s most important day when pilgrims spend a day next to Mount Arafat, where Prophet Muhammad delivered his Farewell Sermon. There, they pray and ask for forgiveness.
Most pilgrims get buses from Mecca to Arafat but, worried about soldiers searching these buses, Ibrahim and his companions made the 19 km journey on foot. When he got there, the area was crowded and the temperature reached nearly 50C (122F).
The 62-year old said he began to feel exhausted and dizzy even though he was not fasting that day. “My foot, which had undergone three surgeries before, felt like a piece of fire. I could not walk”, he said.
Standing up in the heat lessens the blood flow to the brain, which can cause fainting but also heart or kidney failures, explained Mike Tipton, a British professor who advises athletes and soldiers on heat.
Muslim worshippers make their way to cast stones as part of a symbolic stoning of the devil ritual on June 18, 2023. (Photo: Medhat Hajjaj/apaimages)
Ibrahim said that getting water for him was difficult and that he did not want to ask the clinics along the road to Arafat for medical help because of his lack of visa. “We saw the bodies of pilgrims on the road in need of help,” he said, “some of them were dead, some were suffering from heat exhaustion and no one was helping them”.
The claim that irregular pilgrims were denied help has been made by many, including the official spokesperson for pilgrims from Iraq’s autonomous Kurdistan region Karwan Stoni, who told Agence France Presse they could not access air-conditioned spaces that the authorities had made available.
Ibrahim survived, completed his Hajj and returned to Egypt. But Jordanian cousins Tariq, 48, and Hossam Al-Bustanji, 52, were not so lucky. Their cousin Ahmed told Climate Home that their companions told him they died after walking about for seven or eight hours without any services.
“They fell and pleaded for water but no one helped them”, he said. “Their bodies were buried in Mecca and were not sent to Jordan despite our requests”.
Pilgrims receive a spray of water from volunteers in Mecca on June 17, 2024 (Photo: Arab World Press)
While irregular pilgrims had it worse, even those with official visas suffered and some died in the heat. Jordanian Rania Bassam told Climate Home her brother and his family went to Mecca, where he volunteered as a doctor.
She said they complained to her about the services provided and the extreme heat. Bassam’s brother later died in Arafat. “His body was identified by his fingerprint but we were prevented from seeing him and saying goodbye”, she said.
Tipton said that, while many of the dead were likely to be over 65-years old with existing heart problems, the heat can kill healthy young people too from heat stroke.
Without getting bodies into cold water, heat stroke can be a “runaway route to hypothermia with death occurring at [a core temperature of] 40-44C”.
Safer Hajj
Campaigners are appealing to Saudi authorities to take measures that would reduce the risk of mass deaths, especially as the situation is expected to get worse as the world warms.
A 2021 study published in Environmental Research Letters found that if the world warms by 1.5 C above pre-industrial levels, heat stroke risk for pilgrims on the Hajj will be five times greater.
Heat expert Mike Tipton said that they should encourage people to sit down when they can, reduce any stress, fan people and cool their hands, feet and bodies down with cold water. But, he said, it’s difficult to look after so many people.
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Limiting numbers would help, he said, and that’s the route the authorities have been going down. Government reactions in Saudi Arabia and across the Muslim world have been to prosecute and crack down on travel agents who encourage pilgrims to evade visa laws.
But that has not been enough to dissuade Ibrahim’s wife. Despite her husband’s ordeals, she is keen to follow in his footsteps next year, performing Hajj unofficially.
But speaking in their Giza home, Ibrahim warned her against the idea. “You will not be alive again if you go unofficially – either you go on an official Hajj or not at all”, he said.
(Reporting by Eman Muhammed and Joe Lo, editing by Joe Lo and Matteo Civillini)
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Saudi visa crackdown left heatwave-hit Hajj pilgrims scared to ask for help
N.C. Gov. Josh Stein wants state lawmakers to rethink tax breaks for data centers. The industry’s opacity makes it difficult to evaluate costs and benefits.
Tax breaks for data centers in North Carolina keep as much as $57 million each year into from state and local government coffers, state figures show, an amount that could balloon to billions of dollars if all the proposed projects are built.
The Global Environment Facility (GEF), a multilateral fund that provides climate and nature finance to developing countries, has raised $3.9 billion from donor governments in its last pledging session ahead of a key fundraising deadline at the end of May.
The amount, which is meant to cover the fund’s activities for the next four years (July 2026-June 2030), falls significantly short of the previous four-year cycle for which the GEF managed to raise $5.3bn from governments. Since then, military and other political priorities have squeezed rich nations’ budgets for climate and development aid.
The facility said in a statement that it expects more pledges ahead of the final replenishment package, which is set for approval at the next GEF Council meeting from May 31 to June 3.
Claude Gascon, interim CEO of the GEF, said that “donor countries have risen to the challenge and made bold commitments towards a more positive future for the planet”. He added that the pledges send a message that “the world is not giving up on nature even in a time of competing priorities”.
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Donors under pressure
But Brian O’Donnell, director of the environmental non-profit Campaign for Nature, said the announcement shows “an alarming trend” of donor governments cutting public finance for climate and nature.
“Wealthy nations pledged to increase international nature finance, and yet we are seeing cuts and lower contributions. Investing in nature prevents extinctions and supports livelihoods, security, health, food, clean water and climate,” he said. “Failing to safeguard nature now will result in much larger costs later.”
At COP29 in Baku, developed countries pledged to mobilise $300bn a year in public climate finance by 2035, while at UN biodiversity talks they have also pledged to raise $30bn per year by 2030. Yet several wealthy governments have announced cuts to green finance to increase defense spending, among them most recently the UK.
As for the US, despite Trump’s cuts to international climate finance, Congress approved a $150 million increase in its contribution to the GEF after what was described as the organisation’s “refocus on non-climate priorities like biodiversity, plastics and ocean ecosystems, per US Treasury guidance”.
The facility will only reveal how much each country has pledged when its assembly of 186 member countries meets in early June. The last period’s largest donors were Germany ($575 million), Japan ($451 million), and the US ($425 million).
The GEF has also gone through a change in leadership halfway through its fundraising cycle. Last December, the GEF Council asked former CEO Carlos Manuel Rodriguez to step down effective immediately and appointed Gascon as interim CEO.
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New guidelines
As part of the upcoming funding cycle, the GEF has approved a set of guidelines for spending the $3.9bn raised so far, which include allocating 35% of resources for least developed countries and small island states, as well as 20% of the money going to Indigenous people and communities.
Its programs will help countries shift five key systems – nature, food, urban, energy and health – from models that drive degradation to alternatives that protect the planet and support human well-being by integrating the value of nature into production and consumption systems.
The new priorities also include a target to allocate 25% of the GEF’s budget for mobilising private funds through blended finance. This aligns with efforts by wealthy countries to increase contributions from the private sector to international climate finance.
Niels Annen, Germany’s State Secretary for Economic Cooperation and Development, said in a statement that the country’s priorities are “very well reflected” in the GEF’s new spending guidelines, including on “innovative finance for nature and people, better cooperation with the private sector, and stable resources for the most vulnerable countries”.
Aliou Mustafa, of the GEF Indigenous Peoples Advisory Group (IPAG), also welcomed the announcement, adding that “the GEF is strengthening trust and meaningful partnerships with Indigenous Peoples and local communities” by placing them at the “centre of decision-making”.
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GEF raises $3.9bn ahead of funding deadline, $1bn below previous budget
Tropical cyclones that rapidly intensify when passing over marine heatwaves can become “supercharged”, increasing the likelihood of high economic losses, a new study finds.
Such storms also have higher rates of rainfall and higher maximum windspeeds, according to the research.
The study, published in Science Advances, looks at the economic damages caused by nearly 800 tropical cyclones that occurred around the world between 1981 and 2023.
It finds that rapidly intensifying tropical cyclones that pass near abnormally warm parts of the ocean produce nearly double – 93% – the economic damages as storms that do not, even when levels of coastal development are taken into account.
One researcher, who was not involved in the study, tells Carbon Brief that the new analysis is a “step forward in understanding how we can better refine our predictions of what might happen in the future” in an increasingly warm world.
As marine heatwaves are projected to become more frequent under future climate change, the authors say that the interactions between storms and these heatwaves “should be given greater consideration in future strategies for climate adaptation and climate preparedness”.
‘Rapid intensification’
Tropical cyclones are rapidly rotating storm systems that form over warm ocean waters, characterised by low pressure at their cores and sustained winds that can reach more than 120 kilometres per hour.
The term “tropical cyclones” encompasses hurricanes, cyclones and typhoons, which are named as such depending on which ocean basin they occur in.
When they make landfall, these storms can cause major damage. They accounted for six of the top 10 disasters between 1900 and 2024 in terms of economic loss, according to the insurance company Aon’s 2025 climate catastrophe insight report.
These economic losses are largely caused by high wind speeds, large amounts of rainfall and damaging storm surges.
Storms can become particularly dangerous through a process called “rapid intensification”.
Rapid intensification is when a storm strengthens considerably in a short period of time. It is defined as an increase in sustained wind speed of at least 30 knots (around 55 kilometres per hour) in a 24-hour period.
There are several factors that can lead to rapid intensification, including warm ocean temperatures, high humidity and low vertical “wind shear” – meaning that the wind speeds higher up in the atmosphere are very similar to the wind speeds near the surface.
Rapid intensification has become more common since the 1980s and is projected to become even more frequent in the future with continued warming. (Although there is uncertainty as to how climate change will impact the frequency of tropical cyclones, the increase in strength and intensification is more clear.)
Marine heatwaves are another type of extreme event that are becoming more frequent due to recent warming. Like their atmospheric counterparts, marine heatwaves are periods of abnormally high ocean temperatures.
Previous research has shown that these marine heatwaves can contribute to a cyclone undergoing rapid intensification. This is because the warm ocean water acts as a “fuel” for a storm, says Dr Hamed Moftakhari, an associate professor of civil engineering at the University of Alabama who was one of the authors of the new study. He explains:
“The entire strength of the tropical cyclone [depends on] how hot the [ocean] surface is. Marine heatwave means we have an abundance of hot water that is like a gas [petrol] station. As you move over that, it’s going to supercharge you.”
However, the authors say, there is no global assessment of how rapid intensification and marine heatwaves interact – or how they contribute to economic damages.
Using the International Best Track Archive for Climate Stewardship (IBTrACS) – a database of tropical cyclone paths and intensities – the researchers identify 1,600 storms that made landfall during the 1981-2023 period, out of a total of 3,464 events.
Of these 1,600 storms, they were able to match 789 individual, land-falling cyclones with economic loss data from the Emergency Events Database (EM-DAT) and other official sources.
Then, using the IBTrACS storm data and ocean-temperature data from the European Centre for Medium-Range Weather Forecasts, the researchers classify each cyclone by whether or not it underwent rapid intensification and if it passed near a recent marine heatwave event before making landfall.
The researchers find that there is a “modest” rise in the number of marine heatwave-influenced tropical cyclones globally since 1981, but with significant regional variations. In particular, they say, there are “clear” upward trends in the north Atlantic Ocean, the north Indian Ocean and the northern hemisphere basin of the eastern Pacific Ocean.
‘Storm characteristics’
The researchers find substantial differences in the characteristics of tropical cyclones that experience rapid intensification and those that do not, as well as between rapidly intensifying storms that occur with marine heatwaves and those that occur without them.
For example, tropical cyclones that do not experience rapid intensification have, on average, maximum wind speeds of around 40 knots (74km/hr), whereas storms that rapidly intensify have an average maximum wind speed of nearly 80 knots (148km/hr).
Of the rapidly intensifying storms, those that are influenced by marine heatwaves maintain higher wind speeds during the days leading up to landfall.
Although the wind speeds are very similar between the two groups once the storms make landfall, the pre-landfall difference still has an impact on a storm’s destructiveness, says Dr Soheil Radfar, a hurricane-hazard modeller at Princeton University. Radfar, who is the lead author of the new study, tells Carbon Brief:
“Hurricane damage starts days before the landfall…Four or five days before a hurricane making landfall, we expect to have high wind speeds and, because of that high wind speed, we expect to have storm surges that impact coastal communities.”
They also find that rapidly intensifying storms have higher peak rainfall than non-rapidly intensifying storms, with marine heatwave-influenced, rapidly intensifying storms exhibiting the highest average rainfall at landfall.
The charts below show the mean sustained wind speed in knots (top) and the mean rainfall in millimetres per hour (bottom) for the tropical cyclones analysed in the study in the five days leading up to and two days following a storm making landfall.
The four lines show storms that: rapidly intensified with the influence of marine heatwaves (red); those that rapidly intensified without marine heatwaves (purple); those that experienced marine heatwaves, but did not rapidly intensify (orange); and those that neither rapidly intensified nor experienced a marine heatwave (blue).
Dr Daneeja Mawren, an ocean and climate consultant at the Mauritius-based Mascarene Environmental Consulting who was not involved in the study, tells Carbon Brief that the new study “helps clarify how marine heatwaves amplify storm characteristics”, such as stronger winds and heavier rainfall. She notes that this “has not been done on a global scale before”.
However, Mawren adds that other factors not considered in the analysis can “make a huge difference” in the rapid intensification of tropical cyclones, including subsurface marine heatwaves and eddies – circular, spinning ocean currents that can trap warm water.
Dr Jonathan Lin, an atmospheric scientist at Cornell University who was also not involved in the study, tells Carbon Brief that, while the intensification found by the study “makes physical sense”, it is inherently limited by the relatively small number of storms that occur. He adds:
“There’s not that many storms, to tease out the physical mechanisms and observational data. So being able to reproduce this kind of work in a physical model would be really important.”
Economic costs
Storm intensity is not the only factor that determines how destructive a given cyclone can be – the economic damages also depend strongly on the population density and the amount of infrastructure development where a storm hits. The study explains:
“A high storm surge in a sparsely populated area may cause less economic damage than a smaller surge in a densely populated, economically important region.”
To account for the differences in development, the researchers use a type of data called “built-up volume”, from the Global Human Settlement Layer. Built-up volume is a quantity derived from satellite data and other high-resolution imagery that combines measurements of building area and average building height in a given area. This can be used as a proxy for the level of development, the authors explain.
By comparing different cyclones that impacted areas with similar built-up volumes, the researchers can analyse how rapid intensification and marine heatwaves contribute to the overall economic damages of a storm.
They find that, even when controlling for levels of coastal development, storms that pass through a marine heatwave during their rapid intensification cause 93% higher economic damages than storms that do not.
They identify 71 marine heatwave-influenced storms that cause more than $1bn (inflation-adjusted across the dataset) in damages, compared to 45 storms that cause those levels of damage without the influence of marine heatwaves.
This quantification of the cyclones’ economic impact is one of the study’s most “important contributions”, says Mawren.
The authors also note that the continued development in coastal regions may increase the likelihood of tropical cyclone damages over time.
Towards forecasting
The study notes that the increased damages caused by marine heatwave-influenced tropical cyclones, along with the projected increases in marine heatwaves, means such storms “should be given greater consideration” in planning for future climate change.
For Radfar and Moftakhari, the new study emphasises the importance of understanding the interactions between extreme events, such as tropical cyclones and marine heatwaves.
Moftakhari notes that extreme events in the future are expected to become both more intense and more complex. This becomes a problem for climate resilience because “we basically design in the future based on what we’ve observed in the past”, he says. This may lead to underestimating potential hazards, he adds.
Mawren agrees, telling Carbon Brief that, in order to “fully capture the intensification potential”, future forecasts and risk assessments must account for marine heatwaves and other ocean phenomena, such as subsurface heat.
Lin adds that the actions needed to reduce storm damages “take on the order of decades to do right”. He tells Carbon Brief:
“All these [planning] decisions have to come by understanding the future uncertainty and so this research is a step forward in understanding how we can better refine our predictions of what might happen in the future.”
The post Marine heatwaves ‘nearly double’ the economic damage caused by tropical cyclones appeared first on Carbon Brief.
Marine heatwaves ‘nearly double’ the economic damage caused by tropical cyclones
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