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
Months after a collapsed pipe pushed nearly 250 million gallons of raw sewage into the river, residents say the area still smells.
Members of a congressional subcommittee this week questioned utility leaders and state officials about their knowledge of preexisting problems with the sewage line that collapsed on Jan. 19 near the Potomac River.
Congress Grills Officials About the Potomac River Sewage Spill
A formal petition to the U.S. government calls for sanctions on Chinese seafood imports as it highlights China’s loophole-ridden illegal shark fin trade.
For migrant workers trapped onboard Chinese distant water fishing fleets, cutting the fins off sharks as they writhe violently on rusted decks in the Indian Ocean isn’t accidental. It’s an intentional and lucrative act that marks the start of a bloody half-a-billion-dollar offshore supply chain, tacitly supported by Beijing yet covertly concealed from port inspectors globally.
New data on international climate finance for 2023 and 2024 suggests that wealthy countries are highly unlikely to have met their pledge to double funding for adaptation in developing nations to around $40 billion a year by 2025 amid cuts to their overseas aid budgets.
At the COP26 climate summit in Glasgow in 2021, all countries agreed to “urge” developed nations to at least double their funding for adaptation in developing countries from 2019 levels of around $20 billion by 2025. Funding for adaptation has lagged behind money to help reduce emissions and remains the dark spot even as the data showed overall climate finance rose to a record $136.7 billion in 2024.
A United Nations Environment Programme report warned last year that wealthy nations were likely to miss the adaptation finance target and the data released on Thursday by the Organisation for Economic Co-operation and Development (OECD) shows that in 2024 adaptation finance was just under $35 billion.
The OECD, an intergovernmental policy forum for wealthy countries, said the increase between 2022 and 2024 was “modest”, adding that meeting the doubling target would require “strong growth” of close to 20% in 2025.
More cuts likely
The OECD’s figures do not go up to 2025, but several nations announced cuts to climate finance last year. The most notable was the abandonment of US pledges to international climate funds by the new Trump administration but the UK, France, Germany and other wealthy European countries also pared back their contributions.
Joe Thwaites, international finance director at the Natural Resources Defense Council, said developed countries were “not on track” to meet the adaptation funding goal.
Power Shift Africa director Mohamed Adow said adaptation finance is needed to expand flood defences, drought-resistant crops, early warning systems and resilient health services as the world warms, bringing more extreme weather and rising seas. “When that money fails to arrive, people lose homes, harvests and livelihoods – and in the worst cases, their lives,” he warned.
Imane Saidi, a senior researcher at the North Africa-based Imal Initiative, called the $35 billion in adaptation finance in 2024 “a drop in the ocean”, considering that the United Nations estimates the annual adaptation needs of developing countries at between $215 billion and $387 billion.
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If confirmed, a failure to meet the goal is likely to further strain relations between developed and developing countries within the UN climate process. A previous pledge to provide $100 billion a year of total climate finance by 2020 was only met two years late, a failure labelled “dismal” by the UAE’s COP28 President Sultan Al Jaber and many other Global South diplomats.
Missing that goal would also raise doubts about donor governments’ commitment to meeting their new post-2025 adaptation finance goal. At COP30 last year, governments agreed to urge developed countries to triple adaptation finance – without defining the baseline – by 2035.
African and other developing countries have pointed to lack of funding as a key flaw in ongoing attempts to set indicators to measure progress on adapting to climate change.
Speaking to climate ministers from around the world in Copenhagen on Wednesday, Turkish COP31 President Murat Kurum stressed the importance of climate finance. “It is easy to say we support global climate action,” he said, “but promises must be kept.”
He said the COP31 Presidency will use the new Global Implementation Accelerator and recommendations in the Baku-to-Belem roadmap, published last year, to scale up climate finance – and will hold donors accountable for their collective finance goals.
He noted that developed countries should this year submit their first reports showing how they will deliver their “fair share” of the new broader finance goal set at COP29 in 2024, to deliver $300 billion a year in climate finance by 2035. They are due to report on this once every two years.
Broader climate finance
The OECD data shows that the overall amount of climate finance – including funding for emissions cuts – provided by developed countries grew fast in 2023 before declining in 2024. In contrast, the amount of private finance developed countries say they “mobilised” increased in both 2023 and 2024, pushing the top-line figure to a record high.
While the OECD does not say which countries provided what amounts, data from the ODI Global think-tank suggests that the 2024 cuts to bilateral climate finance were spread broadly among wealthy nations.
Thwaites of NRDC welcomed the fact that overall climate finance provided and mobilised by developed countries exceeded $130 billion in both 2023 and 2024. He said that this was “well above earlier projections” and “shows that when rich countries work together, they can over-achieve on climate finance goals”.
But Sehr Raheja, programme officer at the Delhi-based Centre for Science and Environment, said these figures are “modest” when set against the new $300-billion goal.
“While the headline total figure of climate finance remains alright,” she said, “declining bilateral climate spending raises important questions about the predictability of high-quality, concessional public finance, which has consistently been a key demand of the Global South.”
She also lamented that loans continue to dominate public climate finance and that mobilised private finance is concentrated in middle-income countries and on emissions-reduction measures rather than adaptation projects. “Private capital continues to follow bankability rather than climate vulnerability or need,” she added.
Ritu Bharadwaj, climate finance and resilience researcher at the International Institute for Environment and Development, said the figures painted an outdated picture as climate finance has since declined as rich countries shrink their overseas aid budgets and increase spending on defence.
Last month, the OECD published figures showing that international aid – which includes climate finance – fell by nearly a quarter in 2025. The US was responsible for three-quarters of this decline. The OECD projects a further decline in 2026.
With Thursday’s climate finance report, the OECD is “publishing a victory lap for 2023 and 2024 at almost the same moment its own aid statistics show the funding base eroding underneath it,” Bharadwaj said.
The post New data shows rich nations likely missed 2025 goal to double adaptation finance appeared first on Climate Home News.
New data shows rich nations likely missed 2025 goal to double adaptation finance
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