Climate change and workplace heat stress: technical report and guidance
22 August 2025
| Publication

Overview
This publication provides an overview of evidence and guidance on the growing challenge of workplace heat stress in the context of climate change. It highlights the health and productivity risks faced by billions of workers, especially in manual labor sectors. The report details the physiological, socioeconomic, and mental health impacts of heat stress and outlines evidence-based strategies for prevention and mitigation. It emphasizes the need for occupational heat action programmes, stakeholder collaboration, and tailored interventions to protect vulnerable workers, reduce productivity losses, and support sustainable development in a warming world.
WHO Team
Climate Change and Health (CCH),
Environment, Climate Change and Health (ECH),
Initiative Against Extreme Heat and Health Risks in Workplaces and Major Events
Editors
The World Health Organization and the World Meteorological Organization
Number of pages
85
Reference numbers
ISBN: 9789240099814