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As temperature records are shattered, ice rapidly melts and extreme weather events worsen, many people around the world say they are feeling more worried about climate change.

Researchers call this growing phenomenon “climate anxiety”.

A new analysis examines 94 studies focused on climate anxiety, involving 170,000 people across 27 countries, to explore who it is most likely to affect and what its possible consequences could be.

It finds that those who are more likely to experience climate anxiety include women, young adults, people with “left-wing” views and those expressing “concerns” about nature or the “future”.

Climate anxiety is negatively related to wellbeing, according to the analysis, but positively related to participating in climate action, such as activism and behaviours to reduce emissions.

Below, Carbon Brief explains the findings in more detail.

What is ‘climate anxiety’?

“Climate anxiety” can be described and defined in various ways.

The research, published in the journal Global Environmental Change, considers the term “climate change anxiety” to “broadly refer to people’s feelings of anxiety and/or worry related to climate change”.

This is based on two established definitions, explains study lead author Dr Clara Kühner, a researcher of climate change and psychology at the University of Leipzig, Germany. She tells Carbon Brief:

“There is a discussion in the scientific community about what exactly constitutes climate change anxiety.”

The first definition comes from a 2023 research paper, which describes climate anxiety as “persistent anxiety (apprehensiveness) and worry about climate change”.

The second comes from the American Psychological Association, which in 2020 used the term “eco anxiety” to describe “any anxiety or worry about climate change and its effects”.

Kühner explains that “eco anxiety could be interpreted as being more broadly related to the ecological crisis…but [the American Psychological Association] describe it as any anxiety or worry related to climate change”.

Her team noticed that there has been an “increasing amount of research” into climate anxiety over the past few years, she adds:

“Research on the topic has exploded. That’s a signal that it’s very relevant to researchers, but also to society and the public.

“But it was very difficult to get an overview of this research because it was scattered across different disciplines, not only psychology, but also public health and sociology. And so it was difficult to really know how much is out there. That’s when we thought: ‘OK, let’s put all of that together in a quantitative meta-analysis to get an overall perspective on the topic.’”

For the meta-analysis, Kühner and her team searched online records, scoured scientific conference agendas and contacted other scientists to try to identify all published and upcoming studies looking into climate anxiety.

They focused on studies that had conducted surveys with people self-reporting symptoms of climate anxiety. They also restricted their search to “correlational studies” looking at the links between self-reported climate anxiety and various factors, such as gender, age or political beliefs.

In addition, they only included studies involving people over the age of 18.

In total, the meta-analysis identifies 94 climate anxiety studies, involving 170,000 people in 27 countries.

Some 81 of these studies were published after 2020, according to the researchers – reflecting the surge of research interest into the topic over the past few years.

Who suffers from climate anxiety?

As part of the meta-analysis, the researchers looked across the 94 studies to identify what characteristics are most highly associated with having climate anxiety.

From this, the meta-analysis finds that those more likely to report feeling climate anxiety include:

  • Younger adults
  • Women
  • People with a “left-wing” political orientation
  • People concerned about the environment
  • People concerned about nature
  • People concerned about the future
  • People who believe in climate change
  • People who have been exposed to climate impacts
  • People who are regularly exposed to information about climate change (such as climate scientists, journalists and teachers)

The graphic below shows the relative “effect size” of each of these characteristics, according to the study, with -0.9 illustrating the trait is less related to climate anxiety and 0.9 indicating it is more related.

On the graphic, the centre of each blue bar represents the effect size, with the start and end showing 95% confidence intervals.

Characteristics associated with climate anxiety, according to a new meta-analysis. Adapted from Kühner et al. (2025). Graphic by Kerry Cleaver for Carbon Brief
Characteristics associated with climate anxiety, according to a new meta-analysis. Adapted from Kühner et al. (2025). Graphic by Kerry Cleaver for Carbon Brief

By contrast, people with the opposite characteristics to those listed above – for example, those that are older, male or hold “right-wing” political views – are less likely to report feeling climate anxiety, according to the research.

The study only examines the correlations between feeling climate anxiety and various human characteristics – and does not look into the reasons why different groups of people may be more likely to experience climate anxiety.

One of the research papers cited in the meta-analysis finds that people under the age of 25 who reported climate anxiety were likely to have feelings of “betrayal” aimed towards older generations and to perceive governmental response to climate change as “inadequate”.

On gender, previous research – not cited in the meta-analysis – has found that women are more likely than men to suffer from mental illness following extreme weather events – and face higher health risks from climate change in general.

The meta-analysis does not look into how being transgender or non-binary could be associated with climate anxiety, but researchers have previously argued that these groups – along with other people who might identify as LGBTQ+ – are likely to face disproportionate climate risks.

The meta-analysis also does not investigate where in the world levels of climate anxiety could be the highest.

Most of the papers included in the meta-analysis were conducted in the global north.

Out of the 94 studies, 56 were conducted in Europe, 12 in North America, seven in Australia and New Zealand, seven in Asia, one in Africa and one in South America. (A further 10 spanned multiple continents.)

This “largely reflects the general dominance of western research in mainstream psychological and behavioural studies” – rather than a weakness of the authors’ methods, says Prof Kim-Pong Tam, an environmental psychologist from the Hong Kong University of Science and Technology, who was not involved in the meta-analysis.

He describes the findings as “very significant”, adding:

“It should be noted that the pattern revealed in this meta-analysis does not necessarily indicate that the phenomenon of interest has rarely been studied in the global south or outside of western societies.

“It is common practice for authors conducting a meta-analysis to focus on publications in the language(s) in which they are proficient. This implies that studies published in non-English languages (usually in local journals), if any, are excluded.”

Dr Charles Ogunbode, an associate professor in psychology specialising in how people respond to environmental change at the University of Nottingham, UK, agrees that the “lack of studies from Africa and other parts of the global south is not a unique weakness of this article”.

He says that the “climate anxiety discourse is western-centric”, explaining:

“Outside of western cultures, climate anxiety may not feel like an especially useful concept for making sense of local lived realities. For example, one study found that feelings of anger and grief regarding climate change are more prominent in Turkey. Another study conducted with young people in three African countries found the predominant emotions to be akin to a helpless pessimism. Similar observations were made in Ecuador.

“It is, of course, valuable to have a comprehensive study on climate anxiety, but the western-centric nature of the concept means that we end up missing out on the nuanced cross-cultural dimensions of emotional responses to climate change.”

A house destroyed by jurricane Milton in Manasota Key, Florida. Credit: Andrii Biletskyi. Image ID: 3B10M2X.
A house destroyed by jurricane Milton in Manasota Key, Florida. Credit: Andrii Biletskyi / Alamy.

What are the consequences of climate anxiety?

As well as examining what human characteristics are most associated with climate anxiety, the meta-analysis explores what consequences are most associated with the phenomenon.

These consequences are grouped into three categories: “wellbeing”, “climate change emotions” and “behaviour”. (The meta-analysis considers “wellbeing” to be “how individuals evaluate the quality of their own lives, including experiences such as life satisfaction”.

The meta-analysis finds that feeling climate anxiety is associated with poor wellbeing and negative feelings about climate change.

However, climate anxiety is also associated with “pro-environmental behaviours”, such as saving energy at home, as well as participating in community activism and showing support for government pro-climate policies. Kühner explains:

“We found that climate change anxiety is a double-edged sword. It [is] related to poorer wellbeing and to more psychological strain. On the other hand, it [is] positively related to different forms of pro-environmental behaviour.

“On the one hand, it could make you feel uncomfortable. But, on the other hand, it may trigger significant action.”

How does climate anxiety differ from general anxiety?

One of the goals of the meta-analysis is to investigate if climate anxiety is a distinct psychological phenomenon – or merely reflects the broader recent trend of rising levels of anxiety across many parts of the world, particularly for younger demographics.

To do this, the researchers carried out a “meta-regression analysis”, a statistical method for, in this case, investigating the size of the impact of various factors on having climate anxiety.

This analysis finds that the characteristics associated with climate anxiety, such as being a young adult or female, as well as its associated consequences, such as taking action to reduce emissions, were “uniquely related to climate anxiety above and beyond generalised anxiety”. Kühner explains:

“From a methodological point of view, this means that these are distinct constructs, not that people who are generally more anxious are also more anxious about climate change.”

This finding could have implications for how both medical professionals and the public view climate anxiety, she continues:

“Sometimes, climate change anxiety is treated like a disease that has to be cured. And it’s not. It’s a normal healthy reaction to an actual threat.

“I think it’s important for policymakers, also journalists and politicians, not to pathologise climate change anxiety, but to interpret it as a functional reaction to something that is actually happening. Instead of offering mental-health support for how to get rid of this, we need more opportunities to channel this anxiety into climate change action.”

In some cases, climate anxiety can cause poor mental health, she adds:

“If [climate anxiety] impairs your daily functioning or affects your sleep, you definitely need mental-health support to cope with these strong emotions.”

In the UK, mental-health support is available from the NHS by calling 111, the charity Mind is also available on 0300 123 3393. In the US, call or text Mental Health America at 988 or chat 988lifeline.org. In Australia, support is available at Beyond Blue on 1300 22 4636, Lifeline on 13 11 14 and at MensLine on 1300 789 978.

The post Explainer: What is ‘climate anxiety’? appeared first on Carbon Brief.

Explainer: What is ‘climate anxiety’?

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Climate Change

‘Blue COP31’ set to spotlight need for ocean protections amid record heat

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As an extreme El Niño breaks marine temperature records, COP31 is set to boost the profile of the ocean’s role in solving climate change, but finance and clear conservation measures will be needed for it to move the needle, experts said.

The Turkish presidency has announced plans for an Antalya Ocean Declaration that recognises the centrality of the global ocean – the world’s largest carbon sink – in regulating the climate and minimising the now unavoidable overshoot of global temperatures above 1.5C over pre-industrial levels.

Meanwhile, as part of the formal UN negotiations, Australia has announced plans to land a cover decision in Antalya, which, according to veteran former US negotiator Sue Biniaz, would be the only section of the formal negotiations where the role of oceans could be included.

She added that an outcome at COP31 seems likely, given the initiative from both presidencies and a push from over 100 countries – including Brazil, the EU and the African Group of countries – calling for the UN negotiations to deliver a plan for implementing ocean measures.

Governments will arrive in Antalya with a “super El Niño” adding stress to marine ecosystems and expected to continue to intensify until December 2026, with parts of the Pacific averaging almost 30C (86F) – over 3C more than normal – in October, according to monthly EU sea temperature data.

    Needs for ocean conservation and funding

    While elevating the ocean agenda is “critical”, it must lead to funding for ocean conservation and a clear plan for reaching the global target – set at UN biodiversity talks in 2022 – of protecting 30% of the global ocean by 2030, said Pradeep Singh, senior ocean governance expert at Oceano Azul Foundation.

    The ocean is precisely where governments are farthest off track from meeting this target – informally known as the 30×30 goal. Even if countries meet all their nature conservation plans, only about 12% of the global ocean would be protected, the UN says.

    “Acknowledgment of marine protected areas and the 30×30 target as climate infrastructures will certainly boost efforts and funding for science and management,” Singh told Climate Home News.

    Shamini Selvaratnam, director of international climate and clean energy at Ocean Conservancy, said an ocean commitment that makes a difference in coastal communities “takes funding, local capacity and support that countries can actually access”.

    An analysis by climate think tank Zero Carbon Analytics shows that investment in the blue economy – through activities like sustainable fisheries or cleaner shipping – is only at about 2% of the needs, which are estimated at $550 billion per year.

    Divers survey the extent of bleaching in the Chagos archipelago (Credit: Living Oceans Foundation)

    Following-through on commitments

    Selvaratnam added that countries must also establish mechanisms to follow through on these measures, which currently only exists in the form of a non-binding dialogue that is not expected to produce any negotiated agreements.

    She said that countries at COP31 must find ways for their ocean commitments to inform the next global stocktake, the UN’s five-yearly review of progress on climate action. Some countries – including African countries, Latin American nations, small island states and the European Union – have backed a process that culminates in the next global stocktake.

    At climate negotiations, countries are not mandated to include ocean conservation measures in their climate plans. But a group of countries led by France and Brazil is pushing them to do so voluntarily through an initiative called Blue NDC Challenge. Seventeen countries have joined the initiative so far.

    In its list of COP31 priorities, the EU has called for the “critical role” of oceans to be recognised, but falls short of calling for any specific actions to feature marine action more prominently in climate plans.

    As part of their demands, ocean campaign groups have called for the establishment of an “Antalya Ocean Compact”, a platform where countries can coordinate efforts across different environmental treaties, including the UN climate, biodiversity and high seas negotiations.

    Ultimately, Selvaratnam said a strong deal “must accelerate emissions cuts, clean energy, and a transition away from fossil fuels, including offshore oil and gas”.

    Ilana Seid, chair of the AOSIS group of small island states and permanent representative of Palau to the UN, said during a press briefing last week that “meaningful progress” on emissions reduction is “the best way” to alleviate stress on the ocean.

    The post ‘Blue COP31’ set to spotlight need for ocean protections amid record heat appeared first on Climate Home News.

    ‘Blue COP31’ set to spotlight need for ocean protections amid record heat

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    Climate Change

    Nepal seeks stronger recognition of mountain issues in UN climate process

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    In the wake of its recent glacial flooding disaster, Nepal and the kingdom of Bhutan have proposed a new agenda item on mountains and climate change for the COP31 summit which opens on Monday in the Turkish city of Antalya.

    In a submission addressed to the COP31 presidency and the head of the UN climate secretariat (UNFCCC), Nepal said the agenda item, entitled “1.5°C Warming in Mountains”, is an effort to strengthen the response of the international community to the climate risks facing the world’s mountain regions.

    The item proposes that mountain issues should become a regular part of the formal UN climate change process, with a focus on scientific assessment of the risks associated with warming overshooting 1.5C, an annual high-level dialogue, a dedicated work programme and improved access to climate finance.

    Maheshwar Dhakal, chief of the climate change management division of Nepal’s Ministry of Agriculture, Forests and Environment, told Climate Home News that Himalayan countries face similar problems such as collapsing glaciers and flooding from glacial lakes. 

    “We are trying to bring all Himalayan countries together under this agenda item,” he said.

    COP31 Briefing: What to expect from the Antalya climate summit?

    At this year’s UN General Assembly, Nepal’s Prime Minister Balendra Shah called for strong global action to ensure climate justice and proposed creating a Himalayan Climate Resilience Mechanism led by India, China and Nepal. It would share satellite data, monitor glacial slopes and lakes, strengthen early warning systems and coordinate cross-border disaster response.

    Nepal has experienced significant infrastructure losses and human casualties from flooding every year since 2020. In late August, the collapse of a glacial slope on the border with Tibet caused a torrent of water and debris to course down the Bhote Koshi River, leaving more than 6,000 people dead or missing.

    According to a government needs assessment, the disaster caused an estimated $2.7 billion in physical damage and economic losses, while around $4.8 billion will be required for recovery and reconstruction.

    More research needed on threats

    Although high mountain regions are known to be fragile ecosystems, especially as global warming accelerates glacier melt, the extent of their vulnerability is still not fully understood. When the devastating Bhote Koshi floods hit, it opened the eyes of the world to the risks.

    Dhakal said the Bhote Koshi floods “have proved the impacts of climate change in the Himalayan region”, which were linked to rising temperatures by scientists with the World Weather Attribution group. “Therefore, Nepal wants scientific studies, research and political discussions on mountain climate risks to receive greater attention at international climate conferences,” he added.

    Nepal has been making efforts on this front since 2009, when it held a cabinet meeting at Kalapatthar near Mount Everest. Since COP28 in Dubai, Nepal has organised high-level events and dialogues on mountain issues at COPs and is co-hosting one at COP31 with Bhutan, Pakistan, Kyrgyzstan and Tajikistan.

    Editor’s Desk: Nepal’s disaster has laid bare the world’s adaptation accountability gap

    Dhakal said the dialogues held so far have raised awareness, but mountain concerns must become part of the formal UN climate process to unlock climate finance and technical support that can bolster countries’ capacity to tackle climate threats.

    If specific indicators and priorities are developed for mountain regions, vulnerable developing countries like Nepal would have better access to finance to help them adapt to the climate warming they have done very little to cause, he added.

    More detailed data would enable them to prepare stronger project proposals for international climate funds, including the Green Climate Fund (GCF). In 2025, the GCF backed a project to protect livelihoods from climate-induced flooding in Nepal but it took seven years to get approval.

    Sindhu Dhungana, an alternate board member at the GCF, said the problem is becoming more widespread and urgent for the Hindu Kush Himalaya region.

    “The economies, cultures and almost everything in Himalayan countries depend on mountains,” he explained. “For us, climate change is mountain change… [it has] affected everything, including the economy and biodiversity.”

    Debris and mud cover buildings in DevGhat village in Nepal (Photo: Ritesh Shukla/Getty Images)

    Debris and mud cover buildings in DevGhat village in Nepal (Photo: Ritesh Shukla/Getty Images)

    Destroyed development projects

    Nepal wants the UN climate process to address mountain risks both before and after disasters. Countries need better research, technology, early warning systems and other adaptation measures to protect people and infrastructure. But even when countries take precautions, loss and damage is likely to occur and will require international support to address it.

    Nepal has been provisionally allocated $21.6 million from the United Nations’ new Fund for Responding to Loss and Damage (FRLD) to help with the aftermath of the Bhote Koshi disaster, but this is just a fraction of needs and the money will come only months after it made an initial request.

    Dhakal pointed to the damage caused by floods to infrastructure built with loans, such as the Melamchi Drinking Water Project, which received $312 million from the Asian Development Bank but was destroyed by a major flood in 2021, shortly after it began operating. The recent Bhote Koshi disaster wiped out a dozen hydropower facilities, as well as solar energy systems.  

    Nepal flood destruction shows “limits to adaptation”, scientists say

    Nepal wants international discussions on what should happen when climate-related disasters destroy development projects built using credit, and how the loans should be treated afterwards.

    “Climatic disasters wash out… projects, but the burden of loan is still paid by Nepal,” Dhakal said.

    For now, it remains unclear whether the opening session of COP31 will consider or adopt the proposed agenda item on mountains and climate change, with consultations on how to respond still underway among governments and the COP31 co-presidencies.

    “If countries agree to discuss the proposal and include it in the agenda, that would be another step forward,” Dhakal said. “Further discussions in the coming years could gradually give the mountain agenda a stronger shape.”

    The post Nepal seeks stronger recognition of mountain issues in UN climate process appeared first on Climate Home News.

    Nepal seeks stronger recognition of mountain issues in UN climate process