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A surge in gas prices triggered by the Iran war has caused a knock-on spike in the price of electricity in the UK, Italy and many other European markets.

This is because gas almost always sets the price of power in these countries, even though a significant share of their electricity comes from cheaper sources.

This “coupling”, which is part of what UK energy secretary Ed Miliband calls the “fossil-fuel rollercoaster”, is due to the “marginal pricing” system used in most electricity markets globally.

After another fossil-fuel price shock, just four years after Russia’s invasion of Ukraine, this coupling between gas and electricity prices is once again under the spotlight, in the UK and the EU.

There are various alternatives that have been put forward as ways to break – or “decouple” – the link between gas and electricity prices.

Electricity prices could be “decoupled” from gas prices by changing the way the market works, but ideas for doing this either have not been tested or have problems of their own.

Some people have implied that the UK could insulate itself from high and volatile international gas prices by extracting more gas from the North Sea.

However, contrary to false claims by, for example, the hard-right climate-sceptic Reform UK party, this would not be expected to cut energy bills, because gas prices are set on international markets.

Finally, electricity prices can be “decoupled” from gas by burning less of it, a shift that is nearly complete in Spain and that is already having an impact in the UK.

Why does gas set the price of electricity?

In liberalised economies, electricity is bought and sold via market trading. The market uses a system called “marginal pricing” to match buyers with enough supply to meet their demand.

(The same system is used in most commodity markets, including for oil, gas or food products.)

All of the power plants that are available to generate make “bids” to sell electricity at a particular price. The bids are arranged in a “merit order stack”, from the cheapest to the most expensive, shown in the illustrative schematic below.

Stylised merit order stack, showing generators arranged from the cheapest to the most expensive. Source: Neon Energy.
Stylised merit order stack, showing generators arranged from the cheapest to the most expensive. Source: Neon Energy.

This means that the price of gas sets the price of electricity, whenever gas plants are at the margin.

In the UK, the marginal unit is almost always a gas-fired power plant. As a result, one widely cited academic analysis found that gas set the price of power 97% of the time in the UK in 2021.

In contrast, the analysis found that gas only sets the price of power 7% of the time in France, as shown in the figure below. This is because the French market is dominated by nuclear power.

Chart showing that the UK's electricity market is more exposed to gas prices than many others
Share of hours in 2021 when gas set the wholesale price of electricity in selected European countries, %. The dashed line shows the average for the “EU+”, meaning the EU, UK and Norway. Note that, here, the UK only refers to the island of Great Britain. Source: Zakeri and Staffell 2023.

The “pay as clear” marginal-pricing system means that gas sets the price of power more often than might be expected, given its share of electricity generation overall.

For example, gas set the price of power 97% of the time in 2021, even though it only accounted for 37% of electricity generation that year. Equally, even though renewables now make up around half of UK electricity supplies, gas still usually sets the price of power in the UK.

(There are some important subtleties to this, due to the fact that not all gas-fired power plants are equally expensive to run. This is discussed further below.)

Overall, the fact that gas hardly ever sets the price of power in some European markets hints at the potential to decouple electricity prices from gas, by shifting towards alternative sources.

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What is the impact of gas setting the electricity price?

The tight coupling of gas and electricity prices in the UK and other markets is the source of significant political debate, particularly during periods when the price of gas soars.

When gas prices hit record highs after Russia’s invasion of Ukraine in 2022, politicians, commentators and the media rushed to understand why this also spiked electricity bills.

The same dynamic is playing out in 2026, following the attacks on Iran by the US and Israel, the closure of the Strait of Hormuz and the resulting surge in international gas prices.

An editorial in the Financial Times published earlier this month is headlined: “The déjà vu of Europe’s energy shock.” It says the crisis is once again raising questions over electricity pricing:

“In Britain, in particular, questions remain on how to reform its electricity pricing, which currently leaves it highly exposed to volatile wholesale gas prices.”

This exposure is illustrated in the figure below, which shows the tight link between prices on the “day-ahead” markets for gas and electricity.

Chart showing that UK electricity prices are still largely dictated by gas prices
Day-ahead prices for wholesale gas (pence per therm) and electricity (£ per megawatt hour) in the UK. Source: Montel Online.

Indeed, recent analysis from the UK Energy Research Centre (UKERC), published before the Iran war, found that high gas prices were still the biggest driver of high UK electricity bills.

The UK is not the only market being hit by high electricity prices after the outbreak of war in the Middle East. Italy is also suffering, at a time when it was already in the midst of a major debate over how to cut electricity prices, which are also high due to its heavy reliance on gas power.

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What market reforms have been proposed?

Historically, some governments set the price of electricity themselves. However, this is increasingly rare and most countries now have “liberalised” electricity markets to determine prices.

These markets use the “pay as clear” system of marginal pricing, described above, to balance supply and demand in each hour of the day.

Alternative models include “pay as bid”, where each power plant is only paid the amount that it bid to supply electricity, rather than the higher price of the marginal unit.

However, this “would not provide cheaper prices”, according to the European Commission, because bidders would seek to maximise their profits by guessing the clearing price:

“In the pay-as-bid model, producers (including cheap renewables) would simply bid at the price they expect the market to clear, not at zero or at their generation costs.”

Another option would be to create two separate markets, one “green power pool” for renewables and another for conventional sources of electricity.

One proponent of this idea is Prof Michael Grubb at University College London. In a March 2026 post on LinkedIn he says:

“The impact of surging gas prices on electricity will again highlight the oddities of our current electricity market – which make sense to many economists, but to hardly anyone else.”

Explaining his rationale for creating separate power markets, he continues:

“The crisis again emphasises that gas-generated power and renewables are not really the same commodity and deserve distinct and tailored market structures to also enhance transparency. Unless and until that occurs, no amount of policy tinkering can overcome the volatility imposed by geopolitical events outside our control.”

However, the UK government concluded in 2024 that it “[did] not consider [a green power pool] to be deliverable”, adding that, even if it were possible, it “would not provide additional benefits”.

This was part of the UK government “review of electricity market arrangements” (REMA), which considered – and then rejected – a series of alternative ways to structure the market.

Similarly, it is less than two years since the European Commission also considered – and then rejected – alternatives to the marginal pricing system, notes Jon Ferris, head of flexibility and storage at consultancy LCP Delta, in a LinkedIn post. The commission explains:

“This model provides efficiency, transparency and incentives to keep costs as low as possible. There is general consensus that the marginal model is the most efficient for liberalised electricity markets.”

In the UK, a debate in parliament in early March 2026 saw Labour MP Toby Perkins questioning the marginal pricing system, which he said was now “far less robust”. He said:

“Because renewables are cheaper, should we not look to benefit from that, rather than having a system that allows gas to set the price, even if it accounts for only 1% of our energy?”

Ultimately, however, marginal pricing is the “worst approach to clearing markets apart from all the others”, Ferris tells Carbon Brief.

The Iran crisis has also been used to resurface a more radical option, put forward last year by consultancy Stonehaven and NGO Greenpeace, of taking gas out of the market completely.

The idea would effectively see gas plants being taken into a strategic reserve, where they would receive a regulated return for remaining open. They would be managed centrally and called on to generate power as needed outside of the market, which would continue to use marginal pricing.

Adam Bell, partner at Stonehaven and the government’s former head of energy policy, tells Carbon Brief that it would be possible to implement within 18 months, but only if moving at a pace that the civil service might describe as “brave”.

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Why is ‘marginal pricing’ in the news again?

Despite the decisions at UK and EU level to reject the alternatives, interest in moving away from marginal pricing has recently been reignited – even before the shock of the Iran war.

For example, in a speech in February, European Commission president Ursula von der Leyen said a recent meeting of member states had seen “intense discussion” over marginal pricing:

“We did not come to a conclusion. I want to be very clear on this one. But to the next European Council, I will bring different options and findings on whether it is time to move forward on the market design or whether we are still good on this market design.”

A subsequent leak from the commission, seen by Carbon Brief, also implies that marginal pricing is up for debate, as part of ongoing discussions on how to tackle high energy prices.

Subsequently, Philippe Lamberts, climate advisor to von der Leyen, made comments implying that the marginal pricing system was problematic.

In response, ahead of a meeting of EU governments in the week beginning 16 March, a group of seven member states wrote to the commission warning against market reform.

Their letter says that “no satisfactory alternative model has been identified” and that “all other options discussed would introduce inefficiencies”, compared with sticking to marginal pricing.

Industry group Eurelectric makes similar comments in its own letter, as well as warning about the uncertainty that would be created by market reform. It says:

“Delivering massive investments in clean power generation is the structural answer to reduce our dependence on fossil fuels. Reopening the fundamental principles of market design risks increasing uncertainty, delaying investment decisions and, ultimately, raising system costs.”

Another element to the debate has come from Italian government proposals to subsidise gas plants, in an effort to reduce electricity prices in the country.

The proposal has drawn comparisons with the so-called “Iberian mechanism”, under which the governments of Spain and Portugal subsidised gas power during the 2022 energy crisis.

This support did yield “short-term price relief”, says Chris Rosslowe, senior analyst at thinktank Ember in a post on LinkedIn. However, he says it also had “perverse consequences”, including increasing demand for gas “in the middle of a gas supply crisis”.

These sorts of ideas “would cause a lot of collateral damage” in terms of market efficiency, investor confidence and other areas, says Prof Lion Hirth at the Hertie School in Berlin, in a LinkedIn post.

Jean-Paul Harreman, director at consultancy Montel Analytics, writes in an article on LinkedIn:

“[R]eplacing transparent marginal pricing with political price formation is often like replacing a thermometer because you dislike the temperature reading. It may feel satisfying. It does not change the weather.”

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Would it help if more gas were extracted domestically?

In the UK, there has also been intense pressure from opposition politicians and some sections of the media to expand gas production in the North Sea.

Nigel Farage, the climate-sceptic head of Reform UK, was recently quoted by Bloomberg as claiming: “Producing our own gas would reduce everybody’s electricity bills significantly.”

There is no evidence to support this claim.

While the opposition Conservatives have also been loudly calling for an expansion of North Sea drilling, they have been more circumspect about any impact on bills.

Writing in the Daily Telegraph, Conservative leader Kemi Badenoch only indirectly links such an expansion in domestic gas production with lower bills. She writes:

“[P]art of the reason we’re being hit so hard by [the Iran war] is because we are not drilling our own oil and gas thanks to [the government’s] net-zero madness.”

Badenoch’s own shadow energy secretary Claire Coutinho contradicted this idea in 2023, when she was in government. She said at the time that awarding new oil and gas licensing “wouldn’t necessarily bring energy bills down”.

This is because, as the UK’s energy minister Michael Shanks said at a recent event: “We will always be a price taker in international fossil-fuel markets, not a price maker.”

What he is saying is that UK gas production is small relative to the size of the European and global market for the fuel. As such, any increases in UK production would not materially affect prices.

Moreover, North Sea gas production has been in decline for decades and this is set to continue, whether or not the government allows new drilling to take place. This is because much of the gas it once contained has already been extracted and burned.

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Would burning less gas stop it setting electricity prices?

The final idea for breaking the link between gas and electricity prices is simply to burn less gas.

This is one of the key motivations behind the UK government’s “clean power 2030” plan, which aims to largely decarbonise electricity supplies by 2030.

The government said when launching its plan:

“These investments will protect electricity consumers from volatile gas prices and be the foundation of a UK energy system that can bring down consumer bills for good.”

In 2026, however, UK electricity prices are still largely dictated by gas prices, as described above.

Yet this does not mean that the expansion of renewables has had no impact. Indeed, analysis by thinktank the Energy and Climate Intelligence Unit (ECIU) suggests that renewables have already reduced UK wholesale electricity prices by a third in 2025.

As more renewable generation is added to the system, the most expensive gas plants in the merit order “stack” are knocked out of the market. Even though another gas plant may still be setting power prices, it will be a cheaper and more efficient unit.

This intermediate impact of renewables is already visible when comparing electricity prices in the UK with those in Italy and Spain, as shown in the figure below.

The figure shows that UK wholesale electricity prices have been lower than those in Italy, as a result of the expansion of renewable sources over the past decade. (Prior to this, wholesale prices were similar in both countries.)

The contrast with prices in Spain is even larger , where Ember says “strong solar and wind growth [has] reduced the influence of expensive coal and gas power on the electricity market”.

Chart showing that renewables are 'decoupling' power prices from gas in some countries
Wholesale electricity prices in the UK, Spain and Italy, € per megawatt hour. Source: Ember.

The UK is already seeing electricity prices that are “decoupled” from gas prices on windy days. In addition, an increasing amount of electricity is set to be generated by renewable sources that hold “contracts for difference” (CfDs).

CfD projects are paid a fixed price for the electricity they generate, regardless of the price on the “day-ahead” wholesale market. As such, they dilute the impact of gas on consumer bills.

In 2022, when the last energy crisis hit, only 7% of UK generation was covered by CfDs, according to freelance “energy geek” Ben Watts. As of 2026, he says this has climbed to 13%.

By 2030, CfD projects will make up as much as half of total electricity supplies in the UK.

Callum McIver, research fellow at the University of Strathclyde and a member of the UKERC, tells Carbon Brief that CfDs are a “mechanism to decouple bills from the cost of gas”. He adds:

“With significant volumes of new and lower cost renewables on CfDs expected to connect to the system over the next few years, the impact of the scheme on price decoupling should accelerate…This provides an ever increasing hedge against future price shocks.”

Power-purchase agreements (PPAs) can have a similar effect. Here, large users such as industrial sites sign a contract with a power plant to buy the electricity they generate at a fixed price. Again, this takes some electricity out of the wholesale market, diluting the impact of gas prices.

Increases in UK renewable generation are yet to unseat gas from its role in determining electricity prices in most hours of the year, but this shift is starting to have an impact.

Analysis by consultancy Modo Energy suggests that electricity prices in the UK were above the price of gas power in nearly 90% of hours in 2018, a figure that had fallen to below 80% in 2024. Modo’s director Ed Porter said on Twitter: “The link between gas and power prices is weakening.”

In Spain, analysis by Ember shows that the link is well on the way to being completely broken. Ember data shared with Carbon Brief shows that power prices were above the cost of gas power in 52% of hours in 2021, but this had fallen to 15% of hours in 2026 to date.

This data, shown in the figure below, is in stark contrast with Italy, where the influence of gas on electricity prices has actually increased in recent years.

Chart showing that Spain has nearly 'decoupled' its power prices from gas, unlike Italy.
Share of hours when wholesale power prices in Spain and Italy exceed the cost of gas power, %. Source: Ember. Figures for 2026 are for the year to 10 March.

A similar effect would be possible for the UK. Recent analysis from LCP Delta shows that the UK electricity system would be “almost entirely insulated from gas price shocks”, if it reaches the government’s clean-power 2030 targets.

Posting on LinkedIn, Sam Hollister, principal and head of UK market strategy, writes that a spike in gas prices similar to current levels would only increase household bills by 8%, if the 2030 targets are met. In contrast, bills would rise by 45%, if no CfD-backed renewables were on the system.

In his LinkedIn article, Montel’s Harreman concludes:

“The real structural solution to high power prices is not to mute marginal pricing, but to reduce exposure to fossil fuels and accelerate clean capacity, grids and flexibility. That lowers marginal costs structurally rather than cosmetically.”

“Marginal pricing is uncomfortable in volatile times. But discomfort is not evidence of failure. It is often evidence that the system is telling the truth. And, in energy markets, obscuring the truth is usually more expensive than confronting it.”

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Sewing and Painting the Future

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The iconic Greenpeace ship hosts community and family activities over the weekend from 27-30 April, including banner-making workshops and tours of the ship, culminating in a community paddle out for the climate and ocean at South Beach.
© Harriet Spark / Grumpy Turtle Film / Greenpeace

The banner drop is a distinctive part of the Greenpeace repertoire.

The moment of the unfolding is intrinsically dramatic. It is the reveal; when the moral and scientific truth of a situation is unveiled to the world. The wrong is being labelled—not through a written submission, or a social media post, or a statement in a meeting—but in words emblazoned in real physical space, chosen and occupied with precision, for all to see. There is jeopardy and transgression. And there are consequences—for the activists and for Greenpeace, as well as for the target of the communication. One of the reasons the banner remains such an effective tool in our toolbox is because of its undeniable clarity in cutting through, driving change and accountability in a way that few other tactics can. It is naming the wrong: in giant, clear letters.

We’ve hung these massive messages at environmental crime scenes, corporate headquarters, and iconic landmarks; on government buildings, ships and planes—in locations all around the world, for years.

My own memories unfurl even as I write this, but because the campaign to stop Woodside at Scott Reef is so pressing, what immediately springs to mind are two of our banners in that campaign: one on a crane outside their Perth HQ, and another on some of their corroding industrial junk at sea. What about you? Is there a particular banner that you picture when you think of Greenpeace?

The banners can attract global attention, but they have quiet beginnings. Each one is made by hand, often by volunteers. It is the invisible labour behind each spectacular public moment. One of the key pieces of equipment in our workshop at Rainbow Warrior House is the sewing machine. Sometimes our workshop is full of people and noise; at others it is quiet, the only sound being the gentle, purposeful, whir and buzz of a banner being sewn. It is usually our warehouse manager, Kieran Holmes, on the tools, head over the machine, carefully pouring over the raw canvas or tarp as the banner takes shape. Kieran’s one of those people who seems to be able to turn his hand to almost anything, but you wouldn’t know it because he’s old-school modest. In addition to being incredibly skilled, Kieran’s an all-round beaut human to have in the heart of our headquarters; never too busy to take the time to show a newcomer, or curious visitor, around his domain. 

Once the banner is sewn up, the lettering needs to be outlined. This is done on a magnetic wall—a fit-for-purpose feature at Rainbow Warrior House, where the banner is held up with magnets, and the edges of the letters neatly traced from a projection.

Next comes the painting. It usually starts late in the afternoon, sometimes going into evenings and weekends, with volunteers, staff, mates crowded around, brushes in hand. It is a calming meditative feeling of shared purpose, giving each letter its visual heft, the colour building power and presence with each stroke.

Then you stand back, stretch, and look at the message, now ready.

S A V E S C O T T R E E F

Throughout history, every great push for social change has required some form of invisible labour; preparation in the form of quiet things seldom seen, but vital. It is the enabling work of love instantiated in action. And of course, so much of the time it has been women who have done this labour, so that the men could get the chance to make the speeches and stand on the podiums. The inaugural Greenpeace voyage to stop nuclear testing in 1971 had a male-only crew, but wouldn’t have happened without the ideas and work of women behind the scenes.

It is what we do together, after all, that changes the world. Sometimes that work happens on a stage, a ship on the wild seas, or up the side of a building. But mostly, it is the hidden diligence of those who care and contribute to all the enabling work that makes a change once thought impossible, inevitable. It is Kieran at his sewing machine. It was Dorothy Stowe doing the administrative work of the ‘Don’t Make A Wave Committee’ that became Greenpeace.

When we think of social change, it is the sturm and drang that we remember. The drop of the banner, the chant of the crowd, the raising of the new flag. But look behind the curtain, and there’ll be a crew of people who are taking responsibility for the administration, the sewing and the painting, making the food, checking the bus timetables, getting stuff done. And behind them are even more handsinvisibly donating time and trust; the financial, material and expert resources that make it all possible. There’s love, camaraderie and know-how at every stage.

We are social and cooperative creatures by nature. And we human beings have been stitching for millenia, sewing the possibilities of our common future. Political and corporate bullies and algorithmically manipulative platforms would have us forget this, and abandon who we are. But we should be in no doubt that the brighter prospects for ourselves and life on earth continue to be stitched and painted; collaboratively and with love, by the diligent hands of millions of people who care, each day, in every community and city across the world.

With Love,

David


Q & A

I always get great questions when interviewing prospective new team members. One that came up again recently was: “Is Greenpeace actually one organisation?”

Around the world, people know Greenpeace by our one global name, united by a shared mission: securing an Earth capable of nurturing life in all its magnificent diversity, with a particular focus on climate and biodiversity. Behind the scenes, though, we’re organised as a network of 25 legally autonomous national and regional offices, including Greenpeace Australia Pacific, working alongside Greenpeace International.

That structure gives us the best of both worlds: we work together leveraging the power of a global network on the issues that matter most, while each office remains legally independent and deeply connected to the communities, cultures and political realities where we’re embedded. Local knowledge informs global action, and global collaboration strengthens and supports local campaigns.

It’s a model that has enabled Greenpeace to take on some of the world’s biggest challenges for over five decades–while withstanding challenges and attacks from governments and corporations. Global enough to tackle global problems, local enough to understand our communities and the natural places we love.

If you’re curious to learn more, you can read about the Greenpeace Global Network structure here.

Sewing and Painting the Future

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As fires burn and temperatures soar, it’s time to imagine a world beyond GDP

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Steven Stone is acting director of the United Nations Environment Programme’s Office of Science

In 1934, American economist Simon Kuznets presented a paper to Congress advocating for a new way of measuring economic performance.

The United States was reeling from the Great Depression, and Kuznets – a future Novel prize winner – wanted to gauge just how badly the country’s economy had been dented.

His metric, which would come to be known as gross domestic product (GDP), was a breakthrough. But as pioneering as it was, Kuznets saw its limitations.

“The welfare of a nation can scarcely be inferred from a measure of national income,” he wrote in the 1934 paper.

Some nine decades on, we have largely forgotten that message. GDP has become a barometer of economic progress, a kind of one-number-that-rules-them-all upon which national policies turn and governments rise and fall.

With the climate crisis deepening by the day – as evidenced by the heatwaves and wildfires now searing Europe – our attachment to GDP is looking like a problem.

In a single-minded pursuit of GDP growth, humanity is inadvertently feeding several environmental crises that, over the long run, threaten to make most of us poorer, sicker and more miserable. Climate change alone could slice 20 per cent off global GDP by 2100 – a staggering number.

Clear-cutting boosts GDP not wealth

We need to broaden our vision and definition of economic success before it’s too late.

I grew up in the 1970s and 80s surrounded by the mixed hardwood forests of the northeastern United States. For me, the trees were a refuge, a place to run, discover and savor the history and mystery of the land and its people.

Those experiences with my friends were more important than the amount of money in my pocket. And they led to a realization early on in my career as an economist: that wealth is about more than just income.

This is one of GDP’s most significant oversights.

With every forest we clear cut and every ounce of fossil fuel we burn, GDP rises. But through those actions, we are whittling away at the natural world, which supplies us with food, water, medicine, clean air and countless other essentials.

    By focusing only on GDP, we’re ignoring what’s happening to the natural assets on which our prosperity ultimately depends. It’s like we’re driving a car and only looking at the speedometer, not the energy remaining in the battery.

    That is the difference between measuring income versus measuring wealth.

    The answer to this dilemma lies in looking beyond GDP. We must start considering a broader range of indicators when making policy decisions.

    From an environmental perspective, that means measuring and valuing natural assets like forests, water, soil, biodiversity and clean air. By assigning a value to nature, decision-makers can better understand the economic consequences of, say, strip-mining a mountain top or letting plastic waste overwhelm a river.

    There is still some debate over how exactly to do this kind of natural capital accounting. But that’s not a reason to dismiss it, as many have done. It took years of refinement to end up with the GDP formula we have today.

    Costa Rica’s example

    The idea of looking beyond GDP isn’t only a theoretical debate. Countries and communities around the world have started to make economic decisions based on their natural assets. A prime example is Costa Rica, a biodiversity hotspot where a years-long effort to conserve land and seascapes has led to a boom in tourism. That in part helped elevate the country into the club of high-income nations.

    This kind of environmentally focused economic decision making can pay huge dividends. By stabilizing the climate, ending pollution and halting the loss of the natural world, humanity could save millions of lives a year and create US$20 trillion in economic benefits annually by 2070, found the Global Environment Outlook 7, a 2025 report from the United Nations Environment Programme (UNEP). The report was funded by the European Union among others.

    I began my career as an economist before moving to UNEP, which focuses on solving the world’s thorniest environmental problems. During that time, I’ve come to appreciate that “wealth” means more than simply “income.” True prosperity means being able to provide for ourselves now and into the future. Anything short of that is an empty kind of affluence – and ultimately doomed to be short-lived.

    As deadly heat blankets our cities, species slip into extinction and the planet struggles with rising toxicity and pollution, I am convinced that we can do better at measuring what matters. And that means updating and expanding how we measure economic progress.

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    When taps run dry in the Caribbean, it’s not enough to blame El Niño

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    Amira Odeh Quiñones is a hydrologist and Caribbean organiser for the 350.org climate campaign group

    El Niño, likely to be one of the strongest in modern history, has arrived on Caribbean shores.

    Drought is slowly creeping up on our islands. But unlike the fiery wildfires ravaging parts of Europe, there’s no smoke signalling the damage being done, no sirens to warn of the danger. Only announcements from public health officials to stay indoors and remain hydrated — as if outdoor workers and farming communities have the luxury to heed such advice.

    During El Niño, strong atmospheric winds alter rain patterns and trap heat across the Caribbean. But while we have experienced El Niño many times before, it has become very visible in recent years how climate change is making this natural phenomenon worse.

    Across the Greater Antilles, temperatures are soaring past 38°C (100°F), with real-feel indexes reaching a gruelling 43°C in parts of Puerto Rico where I live. Cuba has it worse. Widespread power outages mean that methods for cooling down are unavailable for most of the day, leaving millions of vulnerable people at risk of heat stroke when temperatures hit 38°C.

    Santa Marta coalition tested as co-chair Colombia turns back to fossil fuels

    During the last strong drought a decade ago, I had water only two days a week in my home. Today, there are many families whose taps are about to run completely dry. Water authorities have already begun strict rationing in some municipalities, with more on the list scheduled for rationing if conditions don’t change.

    Water rationing is far more than an inconvenience; it is an immediate health risk. This means thousands of people need to constantly haul heavy buckets up flights of stairs just so they could bathe, cook, stay hydrated – the basics of survival.

    Heat causes health problems

    Puerto Rico is home to roughly 300,000 elderly residents. Many live alone, isolated and without support. They risk severe physical injury when carrying heavy water containers, and are wont to suffer from silent heat exhaustion in unventilated rooms.

    Furthermore, when water shortages force residents to store water in open household containers, it inadvertently creates breeding grounds for Aedes aegypti mosquitoes. Paired with scorching temperatures that tend to shorten the mosquito breeding cycle, the region is facing explosive outbreaks of dengue fever that endanger our most vulnerable: children and the elderly.

    The economic fallout is equally devastating. Dry fields mean millions of dollars in lost crops, forcing small agricultural businesses to collapse, needing urgent government relief to survive. Extreme fuel shortages have already paralyzed Cuba’s agricultural sector, cutting food output by 60% – the El Niño dry spell threatens to decimate it.

    At sea, warmer ocean waters fuel massive influxes of sargassum seaweed. Rotting sargassum chokes our beaches, destroying the local tourism industry that so many working families rely on. Tangled seaweed also damages nets and boat engines, slashing fish catches and driving up equipment costs for local fishers.

    In the south of Puerto Rico, the coastal town of La Parguera is currently witnessing a historic amount of sargassum on its shores. This has halted most of the boating activity in the area, which is the seaside town’s main tourist draw and economic driver.

    All over the Caribbean, from town halls to local group gatherings, the story I hear is always the same: constant headaches, lost work hours, failing health, and a sense that quality of life is silently being stolen. The compounding effects of heatwaves, drought, and marine destruction are exhausting our people, our islands.

    Climate change to blame

    Climate change makes each El Niño year hotter and more damaging. Higher baseline global temperatures increase the energy and moisture available for extreme weather. Latest projections show that El Niño may push the monthly global average temperature past 2°C of warming for the first time in early 2027. In the Caribbean islands, that will not just be breaking records – it’ll be breaking lives.

    Recently, I had the opportunity to share a panel with climate scientists behind what is known as the field of “attribution science” – or the science that compares today’s climate conditions to what the Earth’s climate would be like without human activity, particularly burning fossil fuels. They’re unequivocal: it’s no longer a question of whether extreme weather is caused by climate change, it’s just a question of how much.

      Attribution science recently got a boost from the U.S.’ top scientific advisory body. The National Academies of Sciences, Engineering and Medicine recognized that researchers’ methods have advanced considerably in recent years, resulting in better assessments on how much extreme weather can be attributed to human-caused climate change. It noted that attribution findings could be relevant in some types of legal cases, including those seeking damages from oil companies for climate impacts.

      This crisis, which is already taking a heavy toll on our communities’ survival, needs real, urgent, and structural action that goes beyond aid. With similar droughts now gripping parts of Asia and Africa, we’re falling into the familiar narrative of treating the looming humanitarian crisis as if no one was to blame, as if it is being caused solely by a natural phenomenon we can’t control.

      It’s not. The world was already on fire before its regular visitor, El Niño, came. While we need humanitarian action, we need climate action too, in order to permanently put out the flames.

      The post When taps run dry in the Caribbean, it’s not enough to blame El Niño appeared first on Climate Home News.

      When taps run dry in the Caribbean, it’s not enough to blame El Niño

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