Question
Explain the impacts of climate change on public health infrastructure.
Answer :
Word Count : 1116
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Skip in 10
Climate change is one of the most pressing global challenges of the 21st century, and its consequences extend far beyond environmental degradation. One of the most significant yet underexplored areas of impact is on public health infrastructure. As global temperatures rise, extreme weather events become more frequent, and ecosystems change rapidly, health systems across the world face mounting pressures. These impacts are multidimensional, affecting the physical infrastructure, the capacity of health systems, human resources, and the epidemiology of diseases. The rise in global temperatures directly influences the spread and intensity of both communicable and non-communicable diseases. Warmer climates create suitable conditions for vectors like mosquitoes to thrive, expanding the geographic reach of diseases such as malaria, dengue, chikungunya, and Zika virus. Regions that were previously considered non-endemic are now witnessing outbreaks due to shifting ecological boundaries. This change places an unexpected burden on local health infrastructure that may be unprepared to handle these diseases. It necessitates not only an increase in diagnostic facilities and treatment options but also expansion of surveillance mechanisms. Climate change also increases the frequency and severity of extreme weather events such as heatwaves, floods, droughts, and hurricanes. Heatwaves, in particular, are associated with an increase in mortality due to heatstroke, cardiovascular disorders, and respiratory problems. Public health systems must invest in cooling centres, emergency response units, and urban planning measures to counter these effects. Similarly, floods can damage health infrastructure such as hospitals, clinics, and sanitation systems, resulting in the disruption of health services at the very time when they are most needed. The contamination of water supplies during floods also leads to outbreaks of waterborne diseases such as cholera, typhoid, and leptospirosis, creating a cascading effect on public health systems. Rising sea levels and saline
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