WHO and WMO Issue New Report and Guidance to Protect Workers from Increasing Heat Stress

Last Updated: 2025-08-27 - The World Health Organization (WHO) and the World Meteorological Organization (WMO) have released a pivotal report addressing the escalating health risks posed by extreme heat to workers worldwide. This is crucial for UPSC aspirants as it relates to General Studies (GS) Papers 2 and 3, focusing on health and environmental issues.

Key Facts About WHO and WMO Report on Heat Stress

• Extreme heat events are increasingly frequent, endangering both outdoor and indoor workers.
• Worker productivity declines by 2–3% for each degree above 20°C.
• Health risks include heatstroke, dehydration, and neurological disorders.
• Approximately half of the global population is affected by high temperatures.
• Implementation of occupational heat action plans is crucial.
• Develop heat-health policies tailored to local conditions and vulnerabilities.
• Focus on vulnerable populations such as older workers and those with chronic conditions.
• Over 2.4 billion workers are exposed to excessive heat globally.
• More than 22.85 million occupational injuries occur annually due to heat.
• The guidance aligns with the United Nations Sustainable Development Goals.

Global Implications of Heat Stress on Workers

Heat stress is a growing global concern, particularly in the context of climate change. It poses significant challenges to economic productivity and public health, especially in developing countries. India's strategic goals for sustainable development and economic growth are directly impacted by these environmental changes. The report's findings emphasize the need for international cooperation and innovation to mitigate these effects, aligning with global sustainability rankings and commitments.

Related Government Schemes/Policies

• National Action Plan on Climate Change (NAPCC): Focuses on climate adaptation and mitigation strategies.
• Pradhan Mantri Kaushal Vikas Yojana (PMKVY): Aims to enhance skill development, including safety training for workers.

UPSC Relevance

• GS Paper 2: Health, Government policies and interventions for development.
• GS Paper 3: Environmental issues, Disaster Management.
• Prelims: Questions on WHO, WMO, heat stress impacts, and related statistics.
• Mains: Analytical themes on climate change impacts on health, policy measures for worker protection.
• Essay Paper: Topics on sustainable development and climate change.

FAQ Section

• What is the WHO and WMO report on heat stress?
  The report by WHO and WMO addresses the health risks posed by extreme heat to workers globally, offering practical solutions to mitigate these risks.
• Why is heat stress important?
  Heat stress is crucial as it affects worker productivity and health, with over 2.4 billion workers exposed globally, leading to significant economic and health challenges.
• What are the key features of the report?
  The report highlights the need for occupational heat action plans, tailored heat-health policies, and focuses on vulnerable populations, aligning with the United Nations Sustainable Development Goals.