Global environmental health encompasses phenomena that affect the entire world. Climate change is a key example, as it affects everyone on the planet.

Global Environmental Public Health

Local environmental health pertains to small health disparities that only affects certain communities. The Flint Michigan water crisis is a perfect example of local environmental public health.

Local Environmental Public Health

Essentials Of Epidemiology

8th Edition by Thomas Bodenheimer and Kevin Grumbach

Understanding Health Policy: A Clinical Approach

https://www.britannica.com/topic/health-insurance

Britannica: Health Insurance

Ecology is a scientific discipline that focuses on interactions of living things in relation to their environment, and encourages understanding of the environment as our home.

Ecology

Environmental public health is an expansion of public health that focuses on how humans' effect on the earth affects their health. 

Boston University

- Public Health plays a role scientific, ethical, legal, and social structures 
- A greater understanding and consensus on the meaning of public health could lead to “more efficient and effective public health interventions as well as increased public and political support for public health activities” 
- Many definitions classify public health as population health rather than individual 
- Definitions vary in who is viewed as responsible for public health, we as a society vs the government



Defining Public Health 

Principles of Epidemiology. (n.d.). United States Center for Disease Control. Retrieved July 19, 2020, from https://www.cdc.gov/csels/dsepd/ss1978/lesson6/section2.html

Principles of Epidemiology

- Societal factors such as war, poverty, income distribution, health-care infrastructure, and civil rights that affect health are often included in the sphere of public health
- This definition considers health as more than the absence of illness
- To make these structural changes, public health agents must work together with professionals from all disciplines


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