📚 Environment, Health, and Human Wellbeing: A Geographic Perspective | 环境、健康与人类福祉的地理关联
The relationship between environment, health, and human wellbeing is a foundational theme in geography, particularly within the subfields of health geography, environmental geography, and development studies. Geographers examine how physical landscapes, climatic conditions, and ecological systems shape the distribution of disease, access to healthcare, and overall quality of life across different regions and populations.
环境、健康与人类福祉之间的关联是地理学的重要基础主题，尤其在健康地理学、环境地理学和发展研究等分支领域中占据核心地位。地理学家考察自然景观、气候条件与生态系统如何塑造疾病分布、医疗资源的可及性以及不同地区和人群的整体生活质量。
1. Defining the Environment-Health Nexus | 环境与健康的关联定义
The environment encompasses the physical, chemical, and biological surroundings in which humans live, work, and interact. These surroundings include air, water, soil, climate, vegetation, and the built environment. Health, according to the World Health Organization (WHO), is not merely the absence of disease but a state of complete physical, mental, and social wellbeing. Human wellbeing further extends to economic security, social connectedness, cultural identity, and the ability to pursue a meaningful life.
环境涵盖人类生活、工作与互动所处的物理、化学和生物空间，包括空气、水、土壤、气候、植被以及建成环境。根据世界卫生组织（WHO）的定义，健康不仅仅是没有疾病，而是一种身体、心理和社会福祉完全良好的状态。人类福祉更进一步延伸到经济保障、社会联系、文化认同以及追求有意义生活的能力。
Geographers conceptualise the environment-health relationship as a dynamic, two-way interaction. Environmental conditions directly affect health outcomes — for example, air pollution triggering respiratory diseases, or contaminated water causing cholera outbreaks. Conversely, human health and behaviour can alter the environment, such as deforestation driven by population growth or carbon emissions from industrialisation altering global climate patterns.
地理学家将环境与健康的关系视为动态的双向互动。环境条件直接影响健康结果——例如，空气污染引发呼吸系统疾病，或受污染的水源导致霍乱暴发。反之，人类的健康与行为也会改变环境，例如人口增长驱动的森林砍伐，或工业化带来的碳排放改变全球气候模式。
2. Environmental Hazards and Disease Burden | 环境危害与疾病负担
The WHO estimates that approximately 23% of all global deaths are attributable to modifiable environmental factors. These include household and ambient air pollution, unsafe water, poor sanitation, inadequate hygiene, chemical exposures, and climate-related hazards. In low-income countries, the proportion of environmentally attributable disease burden can exceed 30%, disproportionately affecting children under five and the elderly.
世界卫生组织估计，全球约23%的死亡可归因于可改变的环境因素，包括家庭和室外空气污染、不安全饮用水、卫生设施不足、个人卫生欠佳、化学物质暴露以及与气候相关的危害。在低收入国家，环境归因疾病负担的比例可能超过30%，对五岁以下儿童和老年人的影响尤为严重。
Geographic patterns of disease reveal stark inequalities. Sub-Saharan Africa bears the highest burden of infectious diseases linked to poor water and sanitation, while rapidly industrialising countries in South and Southeast Asia face rising levels of non-communicable diseases (NCDs) associated with air pollution and dietary transitions. The epidemiological transition — from infectious to chronic diseases — is spatially uneven, reflecting different stages of economic development and environmental governance.
疾病的地理分布揭示了显著的不平等。撒哈拉以南非洲承受着与饮用水和卫生条件不佳相关的高传染病负担，而南亚和东南亚快速工业化的国家则面临与空气污染和饮食转型相关的非传染性疾病（NCD）上升。流行病学转型——从传染病转向慢性病——在空间上是不均衡的，反映了经济发展和环境治理的不同阶段。
3. Air Quality and Respiratory Health | 空气质量与呼吸健康
Air pollution is the single largest environmental health risk globally, causing an estimated 7 million premature deaths annually. Particulate matter with a diameter of 2.5 micrometres or less (PM₂.₅) penetrates deep into the lungs and enters the bloodstream, contributing to cardiovascular disease, stroke, chronic obstructive pulmonary disease, and lung cancer.
空气污染是全球最大的单一环境健康风险，每年估计导致约700万人过早死亡。直径小于或等于2.5微米的细颗粒物（PM₂.₅）能够深入肺部并进入血液循环，引发心血管疾病、中风、慢性阻塞性肺疾病和肺癌等健康问题。
Geographically, air pollution is not evenly distributed. Urban-industrial regions such as the North China Plain, the Indo-Gangetic Plain, and the Po Valley in Italy experience chronically elevated PM₂.₅ concentrations. Indoor air pollution from solid cooking fuels affects approximately 2 billion people, predominantly women and children in rural areas of South Asia and sub-Saharan Africa, illustrating a clear gendered dimension of environmental health injustice.
从地理角度看，空气污染的分布并不均衡。华北平原、印度河-恒河平原以及意大利波河平原等城市工业区长期经历高浓度PM₂.₅的困扰。使用固体炊事燃料导致的室内空气污染影响了约20亿人，其中主要是南亚和撒哈拉以南非洲农村地区的妇女和儿童，这清晰展示了环境健康不公正的性别维度。
4. Water, Sanitation, and Infectious Disease | 水、卫生设施与传染病
Access to clean water and adequate sanitation is a fundamental determinant of health. Globally, approximately 2 billion people lack safely managed drinking water services, and 3.5 billion lack safely managed sanitation. Waterborne diseases such as cholera, typhoid, and diarrhoeal infections remain leading causes of morbidity and mortality in regions with inadequate water infrastructure.
获得清洁水源和适当卫生设施是健康的基本决定因素。全球约有20亿人缺乏安全管理的饮用水服务，35亿人缺乏安全管理的卫生设施。霍乱、伤寒和腹泻感染等水传播疾病，在供水基础设施不足的地区仍然是发病和死亡的主要原因。
The geography of water-related disease is closely tied to hydrological regimes, population density, and infrastructural development. Monsoon-driven flooding in South Asia frequently contaminates shallow wells, triggering seasonal outbreaks. Meanwhile, water scarcity in arid and semi-arid regions forces households to rely on distant or unsafe sources, increasing both physical burden and exposure to pathogens. Climate change is intensifying these risks through more frequent and extreme hydrological events.
水相关疾病的地理分布与水文情势、人口密度和基础设施发展密切相关。南亚季风驱动的洪水经常污染浅井水源，引发季节性疫情暴发。与此同时，干旱和半干旱地区的水资源短缺迫使家庭依赖遥远或不安全的水源，既增加了体力负担，也增加了病原体暴露的风险。气候变化正通过更频繁和更极端的水文事件加剧这些风险。
5. Climate Change as a Health Multiplier | 气候变化作为健康倍增器
Climate change acts as a threat multiplier, amplifying existing environmental health risks while creating new ones. Rising global temperatures expand the geographic range of vector-borne diseases such as malaria, dengue fever, and Zika virus. The Aedes aegypti mosquito, primary vector for dengue, has extended its habitat poleward, exposing previously unaffected temperate populations to infection risk.
气候变化作为威胁倍增器，在创造新风险的同时放大了现有的环境健康风险。全球气温上升扩大了疟疾、登革热和寨卡病毒等病媒传播疾病的地理范围。登革热的主要传播媒介埃及伊蚊已将栖息地向极地方向扩展，使先前不受影响的温带人群暴露于感染风险之中。
Extreme heat events represent an emerging public health emergency. The 2003 European heatwave caused over 70,000 excess deaths, while urban heat island effects amplify temperatures in dense city centres compared to surrounding rural areas. Furthermore, climate-induced displacement — known as environmental migration — is projected to affect 143 million people by 2050, creating new vulnerabilities related to crowded camps, interrupted healthcare, and mental health trauma.
极端高温事件代表着一个新兴的公共卫生紧急状况。2003年欧洲热浪造成超过7万人超额死亡，而城市热岛效应使密集市中心的气温比周边农村地区更高。此外，气候引发的人口迁移——即环境迁移——预计到2050年将影响1.43亿人，产生与拥挤营地、医疗中断和心理创伤相关的新脆弱性。
6. Ecosystem Services and Therapeutic Landscapes | 生态系统服务与疗愈景观
Healthy ecosystems provide essential services that support human health and wellbeing, often referred to as nature’s contributions to health. These include pollination for nutritious crops, regulation of air and water quality, flood mitigation via wetlands, and the provision of medicinal plants. In geography, the concept of therapeutic landscapes explores how natural environments contribute positively to mental and physical recovery.
健康的生态系统提供支撑人类健康和福祉的基本服务，通常被称为自然对健康的贡献。这些服务包括为营养作物提供授粉、调节空气和水质、通过湿地缓解洪水以及提供药用植物。在地理学中，疗愈景观的概念探讨自然环境如何积极促进身心康复。
Research demonstrates measurable health benefits of nature contact. Studies from Japan on shinrin-yoku — or forest bathing — show reduced cortisol levels, improved immune function, and lower blood pressure. Urban greening projects in cities such as Singapore and Melbourne have been linked to reduced rates of depression, increased physical activity, and stronger community cohesion. The spatial configuration of green space within cities is thus an environmental justice issue in itself.
研究表明与自然接触具有可衡量的健康益处。日本关于shinrin-yoku——即森林浴——的研究显示皮质醇水平下降、免疫功能增强以及血压降低。新加坡和墨尔本等城市的绿化项目与抑郁症发生率下降、身体活动增加以及社区凝聚力增强相关联。因此，城市内绿地的空间布局本身就是一个环境正义问题。
7. Environmental Justice and Health Inequality | 环境正义与健康不平等
Environmental justice examines the unequal distribution of environmental risks and benefits across populations. Marginalised communities — including ethnic minorities, indigenous peoples, and low-income households — disproportionately bear the burden of pollution and environmental degradation while having the least access to environmental amenities and healthcare services.
环境正义考察环境风险与利益在不同人群中的不平等分配。边缘化社区——包括少数族裔、原住民和低收入家庭——不成比例地承受污染和环境退化的负担，同时获得环境便利设施和医疗服务的机会最少。
Long-standing geographic research has documented that polluting facilities, hazardous waste sites, and major transport corridors are disproportionately located near disadvantaged neighbourhoods. In the United States, the concept of “sacrifice zones” describes areas where environmental degradation is accepted as the cost of resource extraction or industrial production. Similar patterns are observed globally, from oil extraction in the Niger Delta to industrial pollution in China’s resource-based cities. Health disparities between wealthy and poorer neighbourhoods within the same city can differ by as much as 15 years in life expectancy.
长期的地理研究记录表明，污染设施、危险废物场址和主要交通走廊不成比例地分布在弱势社区附近。在美国，“牺牲区”这一概念描述了环境退化被视为资源开采或工业生产代价的地区。全球范围内也观察到类似模式，从尼日尔三角洲的石油开采到中国资源型城市的工业污染。同一城市内富裕和贫困社区之间的健康差距可能导致预期寿命相差多达15年。
8. The Built Environment and Physical Activity | 建成环境与身体活动
The built environment — encompassing urban design, housing quality, transport networks, and public spaces — exerts a profound influence on health behaviours and outcomes. Neighbourhoods designed for walking and cycling, with mixed land use and reliable public transport, are associated with higher levels of physical activity and lower rates of obesity and cardiovascular disease.
建成环境——包括城市设计、住房质量、交通网络和公共空间——对健康行为和结果具有深远影响。为步行和骑行而设计、具有混合土地利用和可靠公共交通的社区，与更高水平的身体活动和更低肥胖率、心血管疾病发生率相关。
Conversely, car-dependent suburban sprawl creates sedentary lifestyles and increases traffic-related air pollution and injury risks. Housing quality is equally critical; damp, poorly ventilated, and overcrowded dwellings are linked to asthma, respiratory infections, and mental stress. Geographic research on the “food environment” reveals how access to affordable, nutritious food varies spatially, creating “food deserts” — areas lacking healthy food outlets — in many inner-city and rural communities.
相反，依赖汽车的城市蔓延催生久坐生活方式，并增加交通相关空气污染和伤害风险。住房质量同样至关重要；潮湿、通风不良和过度拥挤的住宅与哮喘、呼吸道感染和心理压力相关。关于“食物环境”的地理研究揭示了可负担、有营养食物的获取在空间上的差异，在许多内城区和农村社区形成了“食物荒漠”——即缺乏健康食品销售点的地区。
9. Global Frameworks and Policy Responses | 全球框架与政策应对
International policy frameworks increasingly recognise the centrality of healthy environments for sustainable development. The Sustainable Development Goals (SDGs) explicitly link environmental sustainability with health and wellbeing, particularly SDG 3 (Good Health and Wellbeing), SDG 6 (Clean Water and Sanitation), SDG 7 (Affordable and Clean Energy), SDG 11 (Sustainable Cities and Communities), and SDG 13 (Climate Action).
国际政策框架日益认识到健康环境对可持续发展的核心重要性。可持续发展目标（SDGs）明确将环境可持续性与健康和福祉联系起来，特别是SDG 3（良好健康与福祉）、SDG 6（清洁饮用水与卫生设施）、SDG 7（可负担的清洁能源）、SDG 11（可持续城市与社区）和SDG 13（气候行动）。
The One Health approach represents a paradigm shift, recognising that human health, animal health, and ecosystem health are inseparable. This framework has gained prominence following the COVID-19 pandemic, which demonstrated how environmental disruption — including habitat loss and wildlife trade — can spark zoonotic disease emergence. The WHO’s Air Quality Guidelines provide evidence-based thresholds that inform national clean air legislation, while the Paris Agreement’s climate commitments carry profound co-benefits for public health.
“同一健康”（One Health）路径代表了一种范式转变，认识到人类健康、动物健康和生态系统健康是不可分割的。这一框架在COVID-19疫情之后获得了显著关注，因为疫情证明了环境破坏——包括栖息地丧失和野生动物贸易——如何引发人畜共患病的出现。世界卫生组织的空气质量指南为各国清洁空气立法提供了基于证据的标准，而《巴黎协定》的气候承诺对公共卫生产生了深远的协同效益。
10. Towards Environmentally Safe, Healthy and Just Futures | 迈向环境安全、健康与公正的未来
Integrating health considerations into environmental policy and spatial planning is essential for promoting human wellbeing. Geographic research contributes uniquely by identifying spatial inequities, mapping health-environment interactions, and informing place-based interventions. The transition to sustainable cities, renewable energy systems, and climate-resilient communities must be guided by principles of environmental justice to ensure that health benefits reach the most vulnerable populations.
将健康考量纳入环境政策和空间规划对于促进人类福祉至关重要。地理研究通过识别空间不平等、绘制健康-环境交互图谱并为基于地方的干预提供信息，作出了独特贡献。向可持续城市、可再生能源系统和气候韧性社区的转型必须以环境正义原则为指导，确保健康效益惠及最脆弱人群。
Ultimately, the environment is not a backdrop to human life but the very foundation upon which health and wellbeing rest. Recognising this interdependence is not merely an academic exercise; it is an urgent moral and practical imperative. From local neighbourhood planning to global climate governance, every spatial decision carries health consequences. A geographically informed, health-centred approach to environmental management offers the clearest pathway towards a future where all people can flourish in safe, clean, and just environments.
归根结底，环境不是人类生活的背景，而是健康和福祉赖以存在的根基。认识到这种相互依存关系不仅仅是学术练习，更是紧迫的道德和实践要求。从地方社区规划到全球气候治理，每一个空间决策都带有健康后果。以地理学为视角、以健康为中心的环境管理方法，为创造一个所有人都能在安全、清洁和公正的环境中繁荣的未来提供了最清晰的路径。
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