A Third Of 5-Year-Olds Will Be Spared Unprecedented Lifetime Exposure To Dangerous Heat If World Meets 1.5°C Temperature
Press Release – Save The Children
Save the Children supports children and their communities globally in preventing, preparing for, adapting to, and recovering from climate disasters and gradual climate change. We have set up floating schools, rebuilt destroyed homes and provided cash …
BRUSSELS, 7 May 2025 – Almost a third of today's five-year-olds – about 38 million children – will be spared a lifetime's 'unprecedented' exposure to extreme heat if the world meets the 1.5°C warming target by 2100, Save the Children said.
Ahead of the 10th anniversary of the Paris Agreement, research released by Save the Children and Vrije Universiteit Brussel (VUB) found that under current climate commitments – which will likely see a global temperature rise of 2.7°C above pre-industrial levels – about 100 million of the estimated 120 million children born in 2020, or 83%, will face 'unprecedented' lifetime exposure to extreme heat.
However, if the world limits warming to the 1.5°C Paris Agreement target, this would reduce the number of five-year-olds impacted to 62 million – a difference of 38 million – highlighting the urgency to protect children through rapidly phasing out the use and subsidy of fossil fuels. Dangerous heat is deadly for children, taking an immense toll on their physical and mental health, disrupting access to food and clean water and forcing schools to close.
Researchers defined an 'unprecedented' life as an exposure to climate extremes that someone would have less than a 1 in 10,000 chance of experiencing during their life in a world without human-induced climate change. The research, published in the report Born into the Climate Crisis 2. An Unprecedented Life: Protecting Children's Rights in a Changing Climate also found that meeting the 1.5°C target would protect millions of children born in 2020 from the severest impacts of other climate related disasters such as crop failures, floods, tropical cyclones, droughts and wildfires.
The report found that, for children born in 2020, if global temperature rise is limited to 1.5°C rather than reaching 2.7°C above pre-industrial levels:
About 38 million would be spared from facing unprecedented lifetime exposure to heatwaves;
About 8 million would avoid unprecedented lifetime exposure to crop failures;
About 5 million would be spared from unprecedented lifetime exposure to river floods;
About 5 million would avoid unprecedented lifetime exposure to tropical cyclones;
About 2 million would avoid unprecedented lifetime exposure to droughts;
About 1.5 million children would be spared unprecedented lifetime exposure to wildfires.
Climate extremes – which are becoming more frequent and severe due to climate change – are increasingly harming children, forcing them from their homes, putting food out of reach, damaging schools and increasing risks like child marriage as they are forced out of education and into poverty and food shortages.
Denise -, 16, and her family were forced from their home in Brazil when the country's worst floods in 80 years devastated their community last year. Their home, including Denise's bedroom, was severely damaged, and she was out of school for nearly two months.
She said: 'It really affected me mentally, and academically too. Catching up on all my grades to pass secondary school was really tough, especially at a state school. It massively impacted my schoolwork. My grades dropped significantly after the floods.'
Children impacted by inequality and discrimination and those in lower-and middle-income countries, are often worst affected. Meanwhile they have fewer resources to cope with climate shocks and are already at far greater risk from vector and waterborne diseases, hunger, and malnutrition, and their homes are often more vulnerable to increased risks from floods, cyclones and other extreme weather events.
Haruka, 16, whose poem is featured in the report, is from Vanuatu, which recently experienced three of the most severe types of cyclone in just a year.
She said: 'Cyclones are scary. For me, they continue to destroy my home, every year – we don't even bother trying to fix the ceiling anymore. 'The past few years, I've seen ceaseless destruction and constant rebuilding. This seemingly never-ending cycle has become our reality, and most people aren't even aware that it's not just nature doing its thing, but it's us bearing the brunt of a crisis that we did not cause.'
As well as comparing conditions under 1.5°C and 2.7°C scenarios, the report also examines a scenario in which global temperatures rise to 3.5°C by 2100, which will lead to about 92% of children born in 2020 – about 111 million children [5] – living with unprecedented heatwave exposure over their lifetime. While we need a rapid phase-out of the use and subsidy of fossil fuels to stick to the 1.5°C target, we must not lose sight of solutions, Save the Children said.
The report highlights initiatives like increased climate finance, child-centred and locally led adaptation and increasing the participation of children in shaping climate action.
Inger Ashing, CEO of Save the Children International, said: 'Across the world, children are forced to bear the brunt of a crisis they are not responsible for. Dangerous heat that puts their health and learning at risk; cyclones that batter their homes and schools; creeping droughts that shrivel up crops and shrink what's on their plates. 'Amid this daily drumbeat of disasters, children plead with us not to switch off. This new research shows there is still hope, but only if we act urgently and ambitiously to rapidly limit warming temperatures to 1.5°C , and truly put children front and centre of our response to climate change at every level.'
As the world's leading independent child rights organisation, Save the Children works in about 110 countries, tackling climate across everything we do.
Save the Children supports children and their communities globally in preventing, preparing for, adapting to, and recovering from climate disasters and gradual climate change. We have set up floating schools, rebuilt destroyed homes and provided cash grants to families hit by disasters. We also work to influence governments and other key stakeholders on climate policies, including at the UNFCCC COP summits, giving children a platform for their voices to be heard.
NOTES
Summary of Save the Children's recommendations:
Leaders must:
Take ambitious and urgent action now to limit warming to a maximum of 1.5°C above pre-industrial levels, including by rapidly and equitably phasing out the use, subsidising and financing of fossil fuels, with high-income and historically high-emitting countries leading the way.
Urgently close the adaptation gap and provide loss and damage funding through the provision of new and additional climate finance, prioritising children and child-critical social services, with a particular focus on reaching children most at risk. Climate finance should be delivered primarily in the form of grants, particularly for adaptation and loss and damage.
Children, their rights, voices and unique needs and vulnerabilities must be centred in international climate plans and agreements, including the upcoming submission of new Nationally Determined Contributions (NDC 3.0), as well as building and investing in the climate resilience of child-critical services such as health and nutrition, water, sanitation and hygiene (WASH), education, child protection, and social protection.
Endnotes:
[1] For this research, scientists have defined a heatwave as: when the daily Heat Wave Magnitude Index of that year exceeds the 99th percentile of pre-industrial Heat Wave Magnitude Index distribution for the specific climate model grid cell. The Heat Wave Magnitude Index measures how intense a heatwave is during a year. It looks at the hottest stretch of at least three days in a row when temperatures are much higher than what was normal before industrial times. The higher the number, the more extreme the heatwave.
[2] Ten years ago, world leaders at the UNFCCC COP21 summit in Paris agreed on a long-term goal to limit global temperature rise to 2°C above pre-industrial levels by 2100. The treaty also states that preferably this would be limited to below 1.5°C.
To achieve these emissions reductions, signatories to the Paris Agreement must pledge NDCs and update these every five years. According to the latest available data, the pledges currently being implemented will see global temperatures rising to 2.7°C above pre-industrial levels by 2100. We also look at a 3.5°C scenario, a near-worst-case outcome that assumes continued high emissions and insufficient mitigation efforts which is worryingly close to the 3.2°C warming we are currently headed towards. Both these scenarios will have an unacceptable and deadly impact on children.
Some signatories to the Paris Agreement submitted new NDCs earlier this year, but many are delayed in their submission and the full picture won't be available before the end of 2025.
[3] This new report follows a groundbreaking report from 2021 looking at the projected increase in climate extremes faced by children.
[5] 111 million is 92% of the 2020 birth cohort of about 120 million children. Global emergence of unprecedented lifetime exposure to climate extremes, the research underpinning this report.
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03-06-2025
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Climate change scientists accuse government of 'ignoring scientific evidence'
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Oil and gas industry leaks are also major contributors to methane production, and are under pressure to fall more rapidly, because they do not contribute to food production. Sign up for Ngā Pitopito Kōrero , a daily newsletter curated by our editors and delivered straight to your inbox every weekday.
Scoop
08-05-2025
- Scoop
A Third Of 5-Year-Olds Will Be Spared Unprecedented Lifetime Exposure To Dangerous Heat If World Meets 1.5°C Temperature
Press Release – Save The Children Save the Children supports children and their communities globally in preventing, preparing for, adapting to, and recovering from climate disasters and gradual climate change. We have set up floating schools, rebuilt destroyed homes and provided cash … BRUSSELS, 7 May 2025 – Almost a third of today's five-year-olds – about 38 million children – will be spared a lifetime's 'unprecedented' exposure to extreme heat if the world meets the 1.5°C warming target by 2100, Save the Children said. Ahead of the 10th anniversary of the Paris Agreement, research released by Save the Children and Vrije Universiteit Brussel (VUB) found that under current climate commitments – which will likely see a global temperature rise of 2.7°C above pre-industrial levels – about 100 million of the estimated 120 million children born in 2020, or 83%, will face 'unprecedented' lifetime exposure to extreme heat. However, if the world limits warming to the 1.5°C Paris Agreement target, this would reduce the number of five-year-olds impacted to 62 million – a difference of 38 million – highlighting the urgency to protect children through rapidly phasing out the use and subsidy of fossil fuels. Dangerous heat is deadly for children, taking an immense toll on their physical and mental health, disrupting access to food and clean water and forcing schools to close. Researchers defined an 'unprecedented' life as an exposure to climate extremes that someone would have less than a 1 in 10,000 chance of experiencing during their life in a world without human-induced climate change. The research, published in the report Born into the Climate Crisis 2. An Unprecedented Life: Protecting Children's Rights in a Changing Climate also found that meeting the 1.5°C target would protect millions of children born in 2020 from the severest impacts of other climate related disasters such as crop failures, floods, tropical cyclones, droughts and wildfires. The report found that, for children born in 2020, if global temperature rise is limited to 1.5°C rather than reaching 2.7°C above pre-industrial levels: About 38 million would be spared from facing unprecedented lifetime exposure to heatwaves; About 8 million would avoid unprecedented lifetime exposure to crop failures; About 5 million would be spared from unprecedented lifetime exposure to river floods; About 5 million would avoid unprecedented lifetime exposure to tropical cyclones; About 2 million would avoid unprecedented lifetime exposure to droughts; About 1.5 million children would be spared unprecedented lifetime exposure to wildfires. Climate extremes – which are becoming more frequent and severe due to climate change – are increasingly harming children, forcing them from their homes, putting food out of reach, damaging schools and increasing risks like child marriage as they are forced out of education and into poverty and food shortages. Denise -, 16, and her family were forced from their home in Brazil when the country's worst floods in 80 years devastated their community last year. Their home, including Denise's bedroom, was severely damaged, and she was out of school for nearly two months. She said: 'It really affected me mentally, and academically too. Catching up on all my grades to pass secondary school was really tough, especially at a state school. It massively impacted my schoolwork. My grades dropped significantly after the floods.' Children impacted by inequality and discrimination and those in lower-and middle-income countries, are often worst affected. Meanwhile they have fewer resources to cope with climate shocks and are already at far greater risk from vector and waterborne diseases, hunger, and malnutrition, and their homes are often more vulnerable to increased risks from floods, cyclones and other extreme weather events. Haruka, 16, whose poem is featured in the report, is from Vanuatu, which recently experienced three of the most severe types of cyclone in just a year. She said: 'Cyclones are scary. For me, they continue to destroy my home, every year – we don't even bother trying to fix the ceiling anymore. 'The past few years, I've seen ceaseless destruction and constant rebuilding. This seemingly never-ending cycle has become our reality, and most people aren't even aware that it's not just nature doing its thing, but it's us bearing the brunt of a crisis that we did not cause.' As well as comparing conditions under 1.5°C and 2.7°C scenarios, the report also examines a scenario in which global temperatures rise to 3.5°C by 2100, which will lead to about 92% of children born in 2020 – about 111 million children [5] – living with unprecedented heatwave exposure over their lifetime. While we need a rapid phase-out of the use and subsidy of fossil fuels to stick to the 1.5°C target, we must not lose sight of solutions, Save the Children said. The report highlights initiatives like increased climate finance, child-centred and locally led adaptation and increasing the participation of children in shaping climate action. Inger Ashing, CEO of Save the Children International, said: 'Across the world, children are forced to bear the brunt of a crisis they are not responsible for. Dangerous heat that puts their health and learning at risk; cyclones that batter their homes and schools; creeping droughts that shrivel up crops and shrink what's on their plates. 'Amid this daily drumbeat of disasters, children plead with us not to switch off. This new research shows there is still hope, but only if we act urgently and ambitiously to rapidly limit warming temperatures to 1.5°C , and truly put children front and centre of our response to climate change at every level.' As the world's leading independent child rights organisation, Save the Children works in about 110 countries, tackling climate across everything we do. Save the Children supports children and their communities globally in preventing, preparing for, adapting to, and recovering from climate disasters and gradual climate change. We have set up floating schools, rebuilt destroyed homes and provided cash grants to families hit by disasters. We also work to influence governments and other key stakeholders on climate policies, including at the UNFCCC COP summits, giving children a platform for their voices to be heard. NOTES Summary of Save the Children's recommendations: Leaders must: Take ambitious and urgent action now to limit warming to a maximum of 1.5°C above pre-industrial levels, including by rapidly and equitably phasing out the use, subsidising and financing of fossil fuels, with high-income and historically high-emitting countries leading the way. Urgently close the adaptation gap and provide loss and damage funding through the provision of new and additional climate finance, prioritising children and child-critical social services, with a particular focus on reaching children most at risk. Climate finance should be delivered primarily in the form of grants, particularly for adaptation and loss and damage. Children, their rights, voices and unique needs and vulnerabilities must be centred in international climate plans and agreements, including the upcoming submission of new Nationally Determined Contributions (NDC 3.0), as well as building and investing in the climate resilience of child-critical services such as health and nutrition, water, sanitation and hygiene (WASH), education, child protection, and social protection. Endnotes: [1] For this research, scientists have defined a heatwave as: when the daily Heat Wave Magnitude Index of that year exceeds the 99th percentile of pre-industrial Heat Wave Magnitude Index distribution for the specific climate model grid cell. The Heat Wave Magnitude Index measures how intense a heatwave is during a year. It looks at the hottest stretch of at least three days in a row when temperatures are much higher than what was normal before industrial times. The higher the number, the more extreme the heatwave. [2] Ten years ago, world leaders at the UNFCCC COP21 summit in Paris agreed on a long-term goal to limit global temperature rise to 2°C above pre-industrial levels by 2100. The treaty also states that preferably this would be limited to below 1.5°C. To achieve these emissions reductions, signatories to the Paris Agreement must pledge NDCs and update these every five years. According to the latest available data, the pledges currently being implemented will see global temperatures rising to 2.7°C above pre-industrial levels by 2100. We also look at a 3.5°C scenario, a near-worst-case outcome that assumes continued high emissions and insufficient mitigation efforts which is worryingly close to the 3.2°C warming we are currently headed towards. Both these scenarios will have an unacceptable and deadly impact on children. Some signatories to the Paris Agreement submitted new NDCs earlier this year, but many are delayed in their submission and the full picture won't be available before the end of 2025. [3] This new report follows a groundbreaking report from 2021 looking at the projected increase in climate extremes faced by children. [5] 111 million is 92% of the 2020 birth cohort of about 120 million children. Global emergence of unprecedented lifetime exposure to climate extremes, the research underpinning this report.
Scoop
07-05-2025
- Scoop
A Third Of 5-Year-Olds Will Be Spared Unprecedented Lifetime Exposure To Dangerous Heat If World Meets 1.5°C Temperature
BRUSSELS, 7 May 2025 - Almost a third of today's five-year-olds - about 38 million children - will be spared a lifetime's "unprecedented" exposure to extreme heat if the world meets the 1.5°C warming target by 2100, Save the Children said. Ahead of the 10th anniversary of the Paris Agreement, research released by Save the Children and Vrije Universiteit Brussel (VUB) found that under current climate commitments - which will likely see a global temperature rise of 2.7°C above pre-industrial levels - about 100 million of the estimated 120 million children born in 2020, or 83%, will face "unprecedented" lifetime exposure to extreme heat. However, if the world limits warming to the 1.5°C Paris Agreement target, this would reduce the number of five-year-olds impacted to 62 million - a difference of 38 million - highlighting the urgency to protect children through rapidly phasing out the use and subsidy of fossil fuels. Dangerous heat is deadly for children, taking an immense toll on their physical and mental health, disrupting access to food and clean water and forcing schools to close . Researchers defined an "unprecedented" life as an exposure to climate extremes that someone would have less than a 1 in 10,000 chance of experiencing during their life in a world without human-induced climate change. The research, published in the report Born into the Climate Crisis 2. An Unprecedented Life: Protecting Children's Rights in a Changing Climate also found that meeting the 1.5°C target would protect millions of children born in 2020 from the severest impacts of other climate related disasters such as crop failures, floods, tropical cyclones, droughts and wildfires. The report found that, for children born in 2020, if global temperature rise is limited to 1.5°C rather than reaching 2.7°C above pre-industrial levels: About 38 million would be spared from facing unprecedented lifetime exposure to heatwaves; About 8 million would avoid unprecedented lifetime exposure to crop failures; About 5 million would be spared from unprecedented lifetime exposure to river floods; About 5 million would avoid unprecedented lifetime exposure to tropical cyclones; About 2 million would avoid unprecedented lifetime exposure to droughts; About 1.5 million children would be spared unprecedented lifetime exposure to wildfires. Climate extremes - which are becoming more frequent and severe due to climate change - are increasingly harming children,forcing them from their homes, putting food out of reach, damaging schools and increasing risks like child marriage as they are forced out of education and into poverty and food shortages. Denise -, 16, and her family were forced from their home in Brazil when the country's worst floods in 80 years devastated their community last year. Their home, including Denise's bedroom, was severely damaged, and she was out of school for nearly two months. She said: "It really affected me mentally, and academically too. Catching up on all my grades to pass secondary school was really tough, especially at a state school. It massively impacted my schoolwork. My grades dropped significantly after the floods." Children impacted by inequality and discrimination and those in lower-and middle-income countries, are often worst affected . Meanwhile they have fewer resources to cope with climate shocks and are already at far greater risk from vector and waterborne diseases, hunger, and malnutrition, and their homes are often more vulnerable to increased risks from floods, cyclones and other extreme weather events. Haruka, 16, whose poem is featured in the report, is from Vanuatu, which recently experienced three of the most severe types of cyclone in just a year. She said:"Cyclones are scary. For me, they continue to destroy my home, every year - we don't even bother trying to fix the ceiling anymore. "The past few years, I've seen ceaseless destruction and constant rebuilding. This seemingly never-ending cycle has become our reality, and most people aren't even aware that it's not just nature doing its thing, but it's us bearing the brunt of a crisis that we did not cause." As well as comparing conditions under 1.5°C and 2.7°C scenarios, the report also examines a scenario in which global temperatures rise to 3.5°C by 2100, which will lead to about 92% of children born in 2020 - about 111 million children [5] - living with unprecedented heatwave exposure over their lifetime. While we need a rapid phase-out of the use and subsidy of fossil fuels to stick to the 1.5°C target, we must not lose sight of solutions, Save the Children said. The report highlights initiatives like increased climate finance, child-centred and locally led adaptation and increasing the participation of children in shaping climate action. Inger Ashing, CEO of Save the Children International, said: "Across the world, children are forced to bear the brunt of a crisis they are not responsible for. Dangerous heat that puts their health and learning at risk; cyclones that batter their homes and schools; creeping droughts that shrivel up crops and shrink what's on their plates. "Amid this daily drumbeat of disasters, children plead with us not to switch off. This new research shows there is still hope, but only if we act urgently and ambitiously to rapidly limit warming temperatures to 1.5°C , and truly put children front and centre of our response to climate change at every level." As the world's leading independent child rights organisation, Save the Children works in about 110 countries, tackling climate across everything we do. Save the Children supports children and their communities globally in preventing, preparing for, adapting to, and recovering from climate disasters and gradual climate change. We have set up floating schools, rebuilt destroyed homes and provided cash grants to families hit by disasters. We also work to influence governments and other key stakeholders on climate policies, including at the UNFCCC COP summits, giving children a platform for their voices to be heard. Summary of Save the Children's recommendations: Leaders must: Take ambitious and urgent action now to limit warming to a maximum of 1.5°C above pre-industrial levels, including by rapidly and equitably phasing out the use, subsidising and financing of fossil fuels, with high-income and historically high-emitting countries leading the way. Urgently close the adaptation gap and provide loss and damage funding through the provision of new and additional climate finance, prioritising children and child-critical social services, with a particular focus on reaching children most at risk. Climate finance should be delivered primarily in the form of grants, particularly for adaptation and loss and damage. Children, their rights, voices and unique needs and vulnerabilities must be centred in international climate plans and agreements, including the upcoming submission of new Nationally Determined Contributions (NDC 3.0), as well as building and investing in the climate resilience of child-critical services such as health and nutrition, water, sanitation and hygiene (WASH), education, child protection, and social protection. Endnotes: [1] For this research, scientists have defined a heatwave as: when the daily Heat Wave Magnitude Index of that year exceeds the 99th percentile of pre-industrial Heat Wave Magnitude Index distribution for the specific climate model grid cell. The Heat Wave Magnitude Index measures how intense a heatwave is during a year. It looks at the hottest stretch of at least three days in a row when temperatures are much higher than what was normal before industrial times. The higher the number, the more extreme the heatwave. [2] Ten years ago, world leaders at the UNFCCC COP21 summit in Paris agreed on a long-term goal to limit global temperature rise to 2°C above pre-industrial levels by 2100. The treaty also states that preferably this would be limited to below 1.5°C. To achieve these emissions reductions, signatories to the Paris Agreement must pledge NDCs and update these every five years. According to the latest available data , the pledges currently being implemented will see global temperatures rising to 2.7°C above pre-industrial levels by 2100. We also look at a 3.5°C scenario, a near-worst-case outcome that assumes continued high emissions and insufficient mitigation efforts which is worryingly close to the 3.2°C warming we are currently headed towards. Both these scenarios will have an unacceptable and deadly impact on children. Some signatories to the Paris Agreement submitted new NDCs earlier this year, but many are delayed in their submission and the full picture won't be available before the end of 2025. [3] This new report follows a groundbreaking report from 2021 looking at the projected increase in climate extremes faced by children. [5] 111 million is 92% of the 2020 birth cohort of about 120 million children. Global emergence of unprecedented lifetime exposure to climate extremes , the research underpinning this report.
