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UN Agencies Raise Alarm: Rising Heat Stress Poses Significant Threat to Global Workforce
Geneva, Switzerland – August 22, 2025 – United Nations agencies have issued a crucial warning regarding the escalating risks of heat stress faced by workers across the globe. The report, published today by Health, highlights the growing concern that as global temperatures continue to rise due to climate change, a substantial portion of the world’s workforce is becoming increasingly vulnerable to the detrimental effects of excessive heat.
The findings underscore a critical challenge for occupational health and safety, with implications for worker productivity, well-being, and even survival. The agencies involved, through extensive research and data analysis, have identified that a significant number of workers, particularly those in outdoor occupations such as agriculture, construction, and transportation, as well as those in indoor environments without adequate cooling, are at heightened risk.
Heat stress can manifest in various forms, ranging from milder conditions like heat rash and cramps to more severe and life-threatening illnesses such as heat exhaustion and heatstroke. These conditions can impair cognitive function, leading to reduced concentration and an increased likelihood of accidents and injuries on the job. Furthermore, prolonged exposure to extreme heat can contribute to chronic health problems, including cardiovascular and respiratory diseases.
The report emphasizes that the impacts of heat stress are not distributed equally. Vulnerable populations, including informal sector workers, migrants, and those in low-income countries with limited access to protective measures and healthcare, are disproportionately affected. This exacerbates existing inequalities and creates a more precarious working environment for those already facing significant challenges.
In response to these alarming trends, the UN agencies are calling for urgent and coordinated action from governments, employers, and workers themselves. The recommendations include:
- Developing and enforcing heat action plans: This involves establishing clear guidelines and procedures for managing heat exposure in the workplace, including setting temperature thresholds for work cessation or modification.
- Implementing adaptation measures: This includes providing access to shade, adequate ventilation, cooling facilities, and sufficient water for rehydration.
- Raising awareness and providing training: Educating both employers and employees about the risks of heat stress, its symptoms, and preventive measures is essential.
- Investing in research and data collection: Continuous monitoring of heat exposure and its health impacts is vital to inform policy and interventions.
- Promoting decent work principles: Ensuring that all workers have access to safe and healthy working conditions, regardless of their sector or employment status.
The agencies stress that addressing heat stress is not only a matter of worker protection but also a critical component of building resilient economies and societies in the face of a changing climate. By prioritizing the health and safety of the global workforce, nations can safeguard their human capital and ensure a more sustainable and equitable future for all. This timely report serves as a vital call to action, urging a proactive and collaborative approach to mitigate the growing threat of heat stress in the workplace.
UN agencies warn of rising heat stress risks for workers worldwide
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Health published ‘UN agencies warn of rising heat stress risks for workers worldwide’ at 2025-08-22 12:00. Please write a detailed article about this news in a polite tone with relevant information. Please reply in English with the article only.