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Global Climate Change and Its Impacts

energy sources, reduce the consumption of fossil fuels such as coal and oil, and decrease the
emission of air pollutants. In urban planning, rationally allocate ecological spaces such as
green spaces and parks to leverage their roles in purifying the air and regulating the climate.
For extreme weather events, strengthen early warning and protective measures. Establish and
improve extreme weather early warning systems, issue advance alerts for heatwaves, heavy
rain, cold spells, and other events to remind chronic disease patients to prepare for protec-
tion. Set up facilities such as cooling shelters and rain shelters in public areas to provide safe
refuge for chronic disease patients. By improving environmental quality, reduce the adverse
impacts of climate change on chronic disease patients, and lower the risk of chronic disease
onset and the likelihood of worsening conditions.

IV. Effectiveness Evaluation of Adaptation Measures in the Public
Health Sector Across Different Regions

As climate change increasingly impacts public health, with frequent extreme weather
events and abnormal temperature fluctuations, regions worldwide have implemented adapta-
tion measures to mitigate climate-related health risks. Evaluating the effectiveness of these
measures not only helps summarize successful experiences but also identifies shortcomings,
providing scientific evidence for optimizing public health response strategies. In-depth anal-
ysis of regional contexts can better advance global public health development under climate
change.
(1) Implementation Effectiveness in Developed Regions
In developed regions, such as some European countries and cities in the United States,
significant achievements have been made in adapting public health systems to climate change
through robust economic strength, advanced technologies, and well-established public health
infrastructure. Taking the Netherlands as an example: this low-lying country faces severe
risks from rising sea levels and torrential rain-induced flooding. To address this, the Neth-
erlands has invested heavily in constructing advanced flood control and drainage systems.
In coastal areas, robust and sophisticated dikes have been built, meticulously engineered to
withstand high-intensity wave impacts; inland, intelligent sluice gates have been installed
that automatically adjust based on water levels and rainfall. Concurrently, cities have imple-
mented smart drainage pipe networks equipped with sensors for real-time monitoring. When
excessive rainfall occurs, backup drainage channels can be rapidly activated. These measures
have effectively reduced the health threats posed by flooding to residents. In the past, post-
flood periods saw sharp increases in intestinal infections (such as cholera and dysentery) and
respiratory diseases (like pneumonia and influenza). Today, however, the incidence of these
diseases in the Netherlands remains well-controlled, with a marked decline in disaster-related
medical visits. Regarding disease surveillance and early warning systems, developed regions
employ big data and artificial intelligence to establish efficient public health monitoring net-
works. In certain U.S. cities, multi-sector data integration enables real-time collection and

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