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Dr. Mirianna Budimir is senior climate and resilience expert at Practical Action, and early warning systems lead for the Zurich Climate Resilience Alliance (ZCRA). Francisco Ianni is senior officer for climate resilience initiatives at the International Federation of Red Cross and Red Crescent Societies, and heat hazards lead for the ZCRA. Carolina Pereira Marghidan is a technical advisor at the Red Cross Red Crescent Climate Centre.

Across the world, instances of extreme heat are occurring more frequently than ever. News of temperature records being shattered – all too often accompanied by reports detailing tragic loss of life – appear with frightening regularity. The threats posed by heatwaves are considerable, and due to the climate crisis are expected only to get worse.

It’s hard to think of any aspect of daily life unaffected by an extreme heat event. Health services quickly become overstretched; power systems buckle; and economic productivity grinds to a halt.

A new study by Mercy Corps in the rural region of Madesh in Nepal reveals the impact heatwaves are having on children’s education. “The classrooms feel like furnaces,” said one student. “The air is thick with hot air and foul smell of sweat, the walls trap the heat, and all I can think about is when I can escape.”

Scientists predict global warming of more than 1.5C for 2025-2029 period

Today is Heat Action Day, a global moment for raising awareness of heat risks. While we welcome and encourage the sharing of practical advice for staying safe, there’s so much more that needs to be done.

Knowing when and where these extreme heat events will occur is key to tackling the problem, and early warning systems hold enormous potential to reduce losses, suffering and death across the world. So why do they often fall short?

The fragmented landscape of heat warnings

Given the risks presented by heatwaves, and the relative ease of predicting temperature well in advance, over a hundred meteorological services – more than half of the global total – do provide warnings for instances of extreme heat.

However, many of these are informed solely by maximum temperature, and don’t capture prolonged, intense periods of heat. When the mercury refuses to drop for consecutive days and nights, the dangers are far greater.

This points to a bigger problem with heatwave warning systems: the lack of standardization. Analysis led by the Red Cross Red Crescent Climate Centre has revealed stark inconsistencies in approaches to the monitoring, research and forecasting of heat across the world. This is in no small part due to the differing levels of capacity from region to region; but even the terminology varies wildly, with literally hundreds of definitions of extreme heat in use right now.

Then there’s an even greater concern, which is that many countries – particularly lower-income nations in Africa, Latin America, and parts of Southeast Asia – have no such warning system at all. As is too often the case, those most vulnerable to the risks are the ones with the least protection, with potentially lethal consequences.

Climate change-driven heatwaves hit Delhi’s Red Fort market traders

Break the silos to enhance resilience to heat

Closing these gaps requires the urgent scaling up of effective early warning systems for heatwaves. While national governments and donors have their part to play (particularly in the development and financing of low-cost solutions), improved coordination and cooperation at the global level would give these efforts a much-needed boost.

More standardization will certainly improve matters, and it is promising to see progress being made on this front. The World Meteorological Organization recently published a new definition for heatwaves, one that crucially captures their prolonged nature. In partnership with the World Health Organization, the WMO is also updating its decade-old guidance on heatwave warning system development. And a new handbook of extreme heat indicators, indices and metrics is expected later this year.

To continue this momentum, far greater transparency is required of all governments, institutions and organizations engaged in addressing heat-related risks. This should include the proactive sharing of knowledge, data and best practices, and collaborating wherever possible.

Low-income countries currently without protection from extreme heat events can use this information to rapidly build their capacity to assess their existing vulnerabilities, as well as develop and implement appropriate warning systems. Meanwhile, those already using such systems can make the necessary improvements to increase their effectiveness.

No one-size-fits-all solution for communities

A more coherent, coordinated approach to heatwave warning systems will be a massive step in the right direction. However, as with any such intervention, steps must be taken to avoid an overly top-down approach. If invaluable community insights go unheard, and potentially life-saving messages don’t reach the people they’re designed to help, we won’t see anything close to the levels of progress needed.

Only by taking a people-centred approach can the true potential of early warning systems be realized. Alerts need to be accessible and comprehensible to even the most remote and marginalized populations, and contain practical guidance informed by detailed, locally led risk assessments and response plans. The best way to do that is to ensure communities are active participants at every step of the process.

Women bear brunt of South Sudan’s heatwave made worse by climate change

One major flaw with the top-down model is that it rarely acknowledges how heat affects different people in different ways. Rather than issuing a blanket alert, early warning systems must target their messaging to those most at risk – be it pregnant women, elderly people, or outdoor labourers.

Where communities lack access to air-conditioned spaces and other opportunities for respite, that must also be taken into account. In every case, information on the likely impact of the heat, combined with guidance on how to mitigate it, is essential.

After over a decade enhancing resilience to floods around the world (including via warning systems), the Zurich Climate Resilience Alliance is applying the same community-centred approach to tackling heatwaves. In Pakistan, Senegal, the Philippines and more, we’re partnering with communities and national actors to conduct in-depth assessments and provide country-specific recommendations to enhance Heat Early Warning Systems.

No time to lose

By necessity, the world is beginning to act with more urgency to address the risks presented by heatwaves; but as life-threatening heat events increase in both frequency and intensity, we can’t afford to wait for the next heat-related tragedy before taking action.

This year, Heat Action Day falls on the opening day of the Global Platform For Disaster Risk Reduction in Geneva, at which Early Warning Systems will take centre stage. This is an unmissable opportunity to collaborate across continents and sectors, as part of a renewed commitment to a world in which all are protected from heatwaves and other climate hazards by effective and equitable early warning systems.

As temperatures rise, so too must our ambitions.

The post Early warnings for heatwaves can save lives – and we need them now appeared first on Climate Home News.

Early warnings for heatwaves can save lives – and we need them now

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Green Climate Fund picks locations for five developing country hubs

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The UN’s flagship climate fund has selected five locations for its new regional offices, a move aimed at bringing it physically closer to developing countries and making its finance easier to access.

After fraught discussions during a meeting last week, the board of the Green Climate Fund (GCF) decided in a secret vote on Saturday to open regional offices in Panama City, Amman in Jordan, Suva in Fiji, Nairobi in Kenya and Abidjan in Côte d’Ivoire. The African office will be split across two locations to better serve the continent with the largest number of countries and projects supported by the fund.

The decision marks a significant shift for the fund, which has operated from its headquarters in Songdo, South Korea, since its launch in 2013.

“This is a landmark moment for [the] GCF,” said the fund’s executive director Mafalda Duarte. “It has taken a lot of work, careful negotiation and persistent advocacy for a model that will bring us closer to the countries, to our partners and the communities we were created to serve”.

‘Less delay, more action’

The new offices are expected to act as the GCF’s front line, working more closely with governments, the private sector and civil society to improve access to climate finance and support the delivery of projects aimed at cutting emissions and strengthening resilience to climate impacts.

Welcoming the decision in a LinkedIn post, Fiji’s Permanent Secretary for the environment and climate change Sivendra Michael described it as “a win for the entire Pacific”, citing “long hours” and “tough negotiations” behind the outcome. “Less delay, more action — real support where it matters most,” he added.

    A total of 43 countries applied to host the new offices, with 16 making a final shortlist after the GCF secretariat assessed bids on criteria including cost, connectivity and the ability to attract a “world-class workforce” through quality of life and access to international schools.

    Panama emerged as the top-ranked location overall, according to a document seen by Climate Home News, while some selected hosts, including Amman and Abidjan, scored lower than rival candidates in their regions.

    Establishing the new hubs is expected to cost an initial $6.5 million, but the fund anticipates these upfront expenses will be offset over time through operational savings, including lower staff and travel costs.

    First Palestinian entity approved

    The GCF board also accredited the first organisation in Palestine that will be able to directly apply for and access funding.

    Created by the Palestinian Authority in the West Bank, the Municipal Development and Lending Fund supports local infrastructure projects and services. Working with partners, including the World Bank, it is developing projects to help communities cope with escalating climate risks such as drought and extreme heat.

    In the West Bank, which is occupied by Israel, just under half of the population lives in areas classified as having high to very high climate exposure, according to a recent study.

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    Island nations fight to save cultural heritage from climate change

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    Farmers and fishermen in the Maldives have long relied on an ancient calendar to guide their daily lives.

    The Nakaiy system divides the year into 27 distinct periods, each named after a star or constellation in the night sky.

    Any one period in the calendar tells you about expected weather and tidal patterns, navigational routes, and fishing conditions. The Nakaiy was created through centuries of careful observation and local knowledge, passed down through families as an essential tool for survival.

    But things are now changing. The climate crisis is leading to more extreme weather events across the Indian Ocean island nation and upending the Nakaiy calendar.

    “When you go and speak to communities and ask them what kind of impacts they are facing, a lot of elders will tell you that the weather, it doesn’t follow the calendar anymore,” explained Aishath Reesha Suhail, a programme officer in the Maldives’ Ministry of Tourism and Environment.

    As the effects of climate change worsen, it is a real prospect that the Nakaiy may be abandoned by local people, representing a major cultural loss to the Maldives.

    ‘Systemic and growing threat’

    With extreme weather becoming the norm, communities are observing a domino effect of consequences in their everyday lives. The slow onset of heritage loss is now being seen across continents, but notably among small islands in remote parts of the ocean.

    “Climate change represents a systemic and growing threat to cultural heritage worldwide,” a UNESCO spokesperson told Climate Home, adding that the World Heritage Committee has identified climate change as “one of the most significant long-term risks affecting properties across all regions.”

    UNESCO, the UN body for education, science and culture, defines the loss of cultural heritage as “the erosion of traditional knowledge systems, craftsmanship, social practices and identity, particularly where communities are displaced or livelihoods disrupted”. A clear example is historical sites and even entire islands washed into the ocean as a result of rising sea levels and coastal erosion. 

    The Maldives is dealing with such a situation now. The Koagannu Cemetery is a 900-year-old resting place, located on the country’s southernmost atoll, a mere 50 metres from the shoreline. The monument’s intricate coral gravestones are being actively threatened by the encroaching Indian Ocean. 

    The government and local community have responded to this challenge with emergency protection measures. Sandbags and concrete structures have been installed along the coastline, complemented by large numbers of palm trees to create a seawall. A wider solution is ‘beach nourishment’, a common practice in the Maldives where sand from elsewhere is brought in to replace what has been lost through erosion. Taken together, these solutions have so far protected the cemetery.

    Pacific islands push back against growing climate threats

    Among the many issues climate change creates, cultural heritage is not always front of mind. In the Maldives, one of the main barriers people face is awareness. “Most of what we are dealing with relates to the erosion of our islands along with areas such as fisheries… but we are quite limited in our capacity to do something about it,“ Suhail said.

    “We don’t understand the full breadth of the issue at present because we haven’t been able to do extensive research on the matter,” she added. However, assessing the extent of the damage – and how to respond effectively – is a key priority for the government, outlined in its latest climate plan, known as a Nationally Determined Contribution, and as part of its National Adaptation Plan process.

    Fishing is at the core of the country’s culture and identity, employing thousands of people. Most dishes include fish – “we have it for breakfast, lunch and dinner,” Suhail noted – but the climate crisis and overfishing are shifting how and when communities can fish. Tuna makes up 98% of all fish caught in the Maldives, but warmer ocean temperatures are changing migratory patterns, pushing the species into deeper, colder waters.

    As a critical economic and cultural resource, the government has outlined a range of solutions to protect the fisheries sector in its first Biennial Transparency Report to the UN. These include using real-time tracking data to improve the efficiency of fishing operations; investing in canneries to increase fish storage; and diversifying away from tuna through marine farming.

    Koagannu Cemetery, a 900-year-old resting place in the Maldives, is threatened by rising sea levels in the Indian Ocean. (Image: Ashwa Faheem) 

    Koagannu Cemetery, a 900-year-old resting place in the Maldives, is threatened by rising sea levels in the Indian Ocean. (Image: Ashwa Faheem) 

    Culture and nature go hand-in-hand

    The same pattern is playing out elsewhere.

    Palau and the Maldives are not close to one another. The two states are separated by around 4,000 miles and sit in different corners of the ocean. But both are experiencing very similar climate challenges, based on their position as a set of scattered, low-lying islands surrounded by an imposing body of blue water.

    In the same way as the Maldives, Palau’s cultural heritage is closely tied to “land, coastlines and traditional food systems,” according to Toni Soalabla, at the Palau Office of Climate Change.

    “Many of the places that hold stories, history and identity of our communities are located along the coast and are increasingly exposed to erosion and sea level rise,” she said.

    One of these places is Ngerutechei village, reportedly the oldest in Palau, and home to ancient stone paths and carvings. The village provides a glimpse into the past social values and culture of the people in this western Pacific nation.

    How Vanuatu is facing up to rising climate risks

    As part of the development of Palau’s National Adaptation Plan, the government has worked with local leaders to identify similar sites of cultural significance. The plan encourages communities to use their own knowledge to create protective measures for these sites.

    Climate change is also prompting communities to take up traditional land and food practices again. These include cultivating taro, a stable food source that has historically supported water, soil and food security on the islands. 

    “These systems developed over generations in response to local environmental conditions, so strengthening them today is both a climate adaptation measure and a way of maintaining cultural knowledge that might otherwise fade,” said Soalabla.

    Cultural practices in Palau have developed alongside the natural ecosystems that people rely on to survive. It is within this context that researchers believe adaptation policies should be created. Recognising this relationship “can strengthen both community identity and environmental resilience at the same time”, according to Soalabla.

    Taro farming is making a return to Palau as a traditional source of food security. (Image: Kiara Worth / IISD / Palau Office of Climate Change)

    Taro farming is making a return to Palau as a traditional source of food security. (Image: Kiara Worth / IISD / Palau Office of Climate Change)

    An ancient monolith in Ngerutechei village is being protected against coastal erosion. (Image: Kiara Worth / IISD / Palau Office of Climate Change).

    An ancient monolith in Ngerutechei village is being protected against coastal erosion. (Image: Kiara Worth / IISD / Palau Office of Climate Change).

    Heritage on the global stage

    The issue of cultural loss has not gone unnoticed in international climate negotiations. 

    Small island states such as the Maldives have used their role at the UN to push for greater awareness and action, with some key successes.

    In 2015, the Paris Agreement established a Global Goal on Adaptation (GGA) which recognised that countries needed to do something about climate change now and not later. However, it took six years before a framework and a set of adaptation targets were agreed at the UN climate summit in Glasgow to pursue this goal. 

    From this came the establishment of seven overall themes – from poverty eradication to access to health – to guide adaptation action and a set of around 60 indicators to measure progress against the targets.

    World leaders invited to see Pacific climate destruction before COP31

    Emilie Beauchamp, an adaptation specialist at the International Institute for Sustainable Development (IISD), said that “cultural heritage was highlighted as one of the global priorities [of the GGA Framework] and is one of the seven themes, so it is considered very important by the international community.”

    The much-debated set of indicators, only finalised in Belém at last year’s COP30, include five related to cultural heritage with a focus on preserving cultural practices and important sites that are “guided by traditional knowledge, Indigenous Peoples’ knowledge and local knowledge systems”. A spokesperson for UNESCO said the inclusion of heritage indicators “marks an important recognition that climate impacts extend beyond economic losses”. 

    While critics said the set of final indicators was rushed through by the Brazilian presidency, they now serve as guidance for national governments that wish to implement plans to protect their common heritage. The missing piece of the puzzle remains how to finance these plans – something notably absent from the Belém text, which made clear that the adaptation indicators “do not create new financial obligations or commitments, nor liability or compensation”.

    The lack of financial commitments proved disappointing for many small states grappling with how to prevent their cultural history from being entirely forgotten, especially at a time when adaptation finance remains below requirements. A recent UNEP report found that developing nations would need an estimated US$310 billion per year in 2035 to adapt to climate change, while current public financing was around $26 billion.

    At these low levels “only a small percentage of what the framework outlines could be implemented,” according to Beauchamp.

    Recent research from WRI and UNESCO found 73% of non-marine World Heritage Sites are threatened by at least one severe water risk.

    Recent research from WRI and UNESCO found 73% of non-marine World Heritage Sites are threatened by at least one severe water risk.

    The challenge of cultural heritage

    When looking at low-lying islands on a map, they can appear as specks of land amid a vast ocean. Many of the stories from these remote places go unnoticed. But the specks represent millennia of human culture that is slowly being lost to the ocean.

    While the international community has now recognised the problem and solutions exist, the recurring issue of scarce finance may prevent governments from taking sustained action. Island communities have already been forced to move home as sea levels rise, leaving behind their cultural connections to a place.

    The value of any cultural asset, or of human heritage, can be judged by how it is engaged with over generations. Without human intervention, many historical sites, language, cuisine and other local customs would become a forgotten part of history. The rapid onset of climate change brings the role of cultural heritage into sharp relief, challenging communities to decide in real time what they value, what deserves saving, and how to achieve that.

    Stories of cultural loss are not confined to small islands but it is here where the challenge is presenting most acutely. The experiences of these vulnerable nations in protecting their heritage will provide the litmus test for effective adaptation responses elsewhere.

    Adam Wentworth is a freelance writer based in Brighton, UK.

    (Main image: The Isdhoo Havitha is an ancient Buddhist monastery in the Maldives, located moments from the shoreline. Photo: Ashwa Faheem) 

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    The Wabanaki Basketmakers’ Plans to Save Maine’s Ash Trees

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    The invasive emerald ash borer, native to northeast Asia, has spread to 37 states over the past quarter century, killing nearly all of the ash trees it infests. But in Maine, a coalition of basketmakers, scientists and government officials are plotting a future for their trees.

    Each strip of wood in Richard Silliboy’s hands started as a year of an ash tree’s life.

    The Wabanaki Basketmakers’ Plans to Save Maine’s Ash Trees

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