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As COP30 approaches, the Caribbean counts the cost of Hurricane Melissa and Spain marks one year since the flooding disaster in its eastern region of Valencia, the need for stronger climate resilience and more financing for climate adaptation has taken centre stage.

Experts told Climate Home News that last year’s destruction in Spain highlights a little considered problem that can put people at greater risk from increasingly heavy rains: an over-reliance on road transportation.

In late October 2024, a weather system known locally as the DANA killed 229 people and turned towns near Valencia into rivers of mud. In the days that followed, images of wrecked cars swept by floodwaters into piles as high as buildings circulated around the world.

It emerged that many of the victims had died while trying to rescue their cars from flooded garages. The disaster destroyed about 130,000 vehicles in the Valencia region and claimed another 800 that were never found.

Residents are now pushing local governments to consider climate change in rebuilding efforts and to rethink how people get around, to protect them better against future torrential rains.

    Over the past year, survivors and victims’ relatives have fiercely criticised the Valencian regional government for only sending out warnings several hours after the floods started, when it was far too late to prepare and people were already drowning or missing. Carlos Mazon, Valencia’s right-wing leader, resigned on Monday over his handling of the crisis.

    According to a group of researchers from the University of Valencia, the damage to vehicles and people’s attempts to salvage them reflect the central role played by cars and vans in many suburban areas of Spain, underscoring the urgent need to make sustainable mobility a key pillar of climate adaptation.

    ‘Crucial to daily life’

    Josep Vicent Boira Maiques, a human geography professor at the University of Valencia who has studied the issue following the DANA floods, said building mobility systems that prioritise rail transport between municipalities could help reduce carbon emissions from petrol and diesel cars, and also avoid situations where piled-up vehicles hamper drainage or rescue of survivors.

    The Valencia metro area – home to 2.5 million people – has five suburban train lines. Buses cover the rest of the region, but travelling between small towns on public transport can be a challenge.

    “You cannot criticise the behaviour of people who died while trying to save their car from a garage without understanding that those people saw their car as a crucial element in their daily life,” Boira Maiques told Climate Home News.

    A bridge on the Poyo River in the town of Paiporta, an epicentre of the 2024 floods, became a memorial site for those who lost their lives in the DANA, Valencia region, Spain, pictured on October 29, 2025 (Photo: Cecilia Butini)

    A bridge on the Poyo River in the town of Paiporta, an epicentre of the 2024 floods, became a memorial site for those who lost their lives in the DANA, Valencia region, Spain, pictured on October 29, 2025 (Photo: Cecilia Butini)

    The post-flood rebuilding process must be an occasion to strengthen climate adaptation, and mobility should be a big part of that, he believes.

    “If we build back with the same territorial model and the same mobility model, which is a car-centric one, we can find ourselves again in similarly dangerous situations,” he added.

    Josep Eliseu Pardo Pascual, professor of cartographic engineering at the Polytechnic University of Valencia, built an interactive map showing how the water level rose as high as 3 metres during the floods. He said the high number of cars parked on roadsides and along riverbanks likely played a big role in this.

    More dangerous rains

    Maria Jimenez Collado, 45, was born and raised in Aldaia, a town of about 30,000 people a few kilometres west of Valencia. Growing up, she remembers seeing rain during the months of October and November, but not of the intensity experienced in 2024.

    “It would rain for weeks, but slowly,” she said. “That way, the water was able to flow and didn’t destroy things the way it does now. The DANA [flooding] has given us a lot of information about what awaits us. We used to say that was the future, but it’s now the present.”

    Jimenez Collado’s family home was flooded a year ago, and she is still living with her furniture and personal belongings piled up in her living room as she waits for the remaining humidity to dry out. Her family also lost two cars, and she was only recently able to buy a new one thanks to government aid.

    One year after the floods, Maria Jimenez Collado from Aldaia, Valencia, is still living with her belongings piled up as she is waiting for her home to dry out completely, in Valencia region, Spain, on October 29, 2025 (Photo: Cecilia Butini)

    Maria Jimenez Collado’s family lost two cars in the 2024 floods. She was recently able to buy one back thanks to government aid. (Photo: Cecilia Butini)

    One year after the floods, Maria Jimenez Collado from Aldaia, Valencia, is still living with her belongings piled up as she is waiting for her home to dry out completely, in Valencia region, Spain, on October 29, 2025 (Photo: Cecilia Butini)

    Maria Jimenez Collado’s family lost two cars in the 2024 floods. She was recently able to buy one back thanks to government aid. (Photo: Cecilia Butini)

    While she had no car, Jimenez Collado would walk to places or take buses, which she said were often impossible to get on due to overcrowding.

    Since she was little, the number of cars in the area has increased, she explained, because workplaces like factories and offices have moved to bigger towns – and while people can no longer walk to work, public transport hasn’t caught up.

    Climate-friendly railways

    Jimenez Collado is part of a group of citizens that is pushing the local government to consider climate change in the post-flood rebuilding process, and to retrofit existing infrastructure so as to cope better with future extreme weather events.

    They are proposing, for example, a redesign of one of the existing rail lines that connect the city of Valencia – Spain’s third largest – to some of the surrounding towns.

    According to a proposal the group is presenting to the Spanish infrastructure ministry, the old train line – which is also a CO2 emitter as it only supports diesel-powered trains – would be replaced with a tramway lined with cycling paths and green space.

    Cars line the streets of Catarroja, one of the towns outside Valencia that was hit harder during the 2024 floods, Valencia region, Spain, pictured on October 29, 2025 (Photo: Cecilia Butini)

    Cars line the streets of Catarroja, one of the towns outside Valencia that was hit harder during the 2024 floods, Valencia region, Spain, pictured on October 29, 2025 (Photo: Cecilia Butini)

    Alejandro Gaita, a resident of Sedavì, another town that was flooded last year, has been gathering evidence and adaptation ideas to discuss with the government. He said the current train lines in the Valencia area can worsen flooding in nearby towns, because their high barriers and track underpinnings hold back water instead of letting it flow away.

    “This has been causing us serious issues,” Gaita said. “We are asking either to put railways in tunnels, or to turn them into light rails.” The adaptation proposals from Gaita’s committee were included in a public consultation by the Spanish ecological transition ministry last summer.

    Cost-effective for governments

    To geographer Boira Maiques, this kind of intervention is more difficult when metropolitan areas have fragmented municipal governments, as is the case in Valencia and many other urban areas in Spain whose regions also have considerable autonomy from Madrid.

    France, Germany and the UK, on the other hand, have more unified metropolitan governments and better integrated transport systems between towns.

    In the German city of Hanover, a regional government was formed in recent decades that oversees public transport. Suburban trains connect the city with the surrounding towns and villages.

    Urda Eichhorst, mobility and cities team lead at Germany’s GIZ development agency, said climate impact assessments and climate risk management must be mainstreamed into infrastructure planning processes – not least to keep costs down in the longer-term.

    “Nothing is more expensive than not adapting to climate change,” Eichhorst told Climate Home News.

    The missing piece in COP climate talks: Market signals for adaptation

    A recent study from the World Resources Institute found that every dollar invested in climate resilience and adaptation generates more than $10 in benefits over a ten-year period.

    The COP30 presidency recently said it expects “a major turning point” in adaptation at the upcoming climate summit in Brazil, adding that investing in adaptation can not only protect communities, but also bring major economic benefits and help tackle inequality.

    For people living on the frontlines of climate change, as Jimenez Collado and other Valencia residents found out last year, concrete plans to adapt cannot come soon enough: “Someone has to listen to us,” she said. “Our lives are at stake.”

    The post Car-driven climate risk: Valencia floods expose need for sustainable transport  appeared first on Climate Home News.

    Car-driven climate risk: Valencia floods expose need for sustainable transport 

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    Climate Change

    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.

      The post As fires burn and temperatures soar, it’s time to imagine a world beyond GDP appeared first on Climate Home News.

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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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