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Background: In Ireland, rising temperatures remains the climate projection that national climate scientists associate with the highest degree of confidence. However, the health challenge of heat has been largely absent from Ireland's public health sector. This is epitomised by the lack of a comprehensive public health-focused heat-health action plan or country-specific codes of practice for heat-health when working outdoors. Our objective is to highlight the anticipated heat-health challenges in Ireland, and other temperate regions, through analysing vulnerable groups and systems, reinforcing the need to respond. Methods: A scoping literature review was conducted to determine how heat affects health of the vulnerable in temperate climatic regions, with a focus on Ireland. Additionally, national Google Trends data was coarsely analysed to determine whether heat is a growing societal concern. Results and discussion: The heat-vulnerable include: older people; chronically ill; infants, pregnant women, children; outdoor workers; socioeconomically disadvantaged; urban dwellers; food systems and the health sector. Google Trends data suggest an increase in heat-related health searches over time, demonstrating rising levels of concern to temperature increases, reinforcing a gap in national policy associated with communication of, and response to, the heat-health challenge. Specific, actionable recommendations for adaptation and mitigation strategies are proposed. Conclusion: Heat poses a public and occupational health challenge, receiving limited attention in Ireland. Lack of a coordinated effort, places vulnerable populations at risk. Our recommendations, with reference to vulnerable groups and acknowledging the multi-sectoral nature of heat-health and climate change, advocate for the adoption of a "health and climate change in all policies" approach and the development of a public health-focused heathealth action plan.

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In low-income townships, pests are rife, a nuisance and are vectors of disease. Although alternatives are available, chemical means of pest control is often the first resort due to lack of knowledge of other methods, convenience and presumed efficacy. The demand for chemical pest control has created a unique business opportunity for informal vendors in South Africa servicing predominately low socioeconomic communities. That is the selling of 'street pesticides', which are either containing agricultural pesticides too toxic for domestic use or illegally imported products. Poisonings from street pesticide exposures, particularly in children, are increasingly common and, along with pestrelated diseases, creates a double burden of disease. Solutions are needed to decrease these incidences and to develop pest control strategies that are low-or non-toxic. It is imperative that, for sustainable problem-solving, all stakeholders, including vendors, be part of the solution in tackling this public health issue. This manuscript outlines an engaged scholarship approach for developing a sustainable resolution for reducing street pesticide use. This cyclical and iterative approach encompasses: the establishment of relationships, co-creation of solutions, co-implementation, co-monitoring, co-evaluation, co-reflection and core design. The significance of the research and proposed engagement are discussed, as are anticipated challenges.