摘要： Background : It is now widely accepted that climate change is occurring as a result of the accumulation of greenhouse gases (GHG) in the atmosphere. With the prospect of a warmer world, increased attention is being devoted to the implications for worker well-being and work performance. Objectives: The ‘high occupational temperature health and productivity suppression’ (HOTHAPS) programme is a multi-centre health research and prevention programme aimed at characterising and quantifying the extent to which working people are affected by, or adapt to, heat exposure while working. The main aim of the current South African pilot study was to look at the perceptions of outdoor workers regarding their work environment in hot weather and how this affected their health and productivity levels. Design: A qualitative study utilising focus group discussions was employed in two sites, Johannesburg (which has a temperate climate) and Upington (located in the hottest part of South Africa). Results: In summary, the pilot study demonstrated that especially in Upington, where daily maximum temperatures may reach +40°C, workers reported a wide range of heat-related effects, including sunburn, sleeplessness, irritability, and exhaustion leading to difficulty in maintaining work levels and output during very hot weather. Few, if any, measures were being undertaken by employers to protect health or improve worker comfort. Conclusion: This pilot study has demonstrated that people working in sun-exposed conditions in hot parts of South Africa currently experience heat-related health effects, with implications for their well-being and ability to work and that further research is warranted. In this regard, the pilot study has proved valuable in informing the design, site, sample selection, and logistical planning for a proposed main study on the health and performance aspects of work in hot weather in South Africa.
关键词：climate change ; HOTHAPS ; global warming ; worker ; health ; productivity ; South Africa
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