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Humanitarian engineering

Humanitarian engineering is the application of engineering for humanitarian aid purposes. As a meta-discipline of engineering, humanitarian engineering combines multiple engineering disciplines in order to address many of the world's crises and humanitarian emergencies, especially to improve the well-being of marginalized populations.

Encyclopædia Britannica defines humanitarian engineering as:

Humanitarian engineering, the application of engineering to improving the well-being of marginalized people and disadvantaged communities, usually in the developing world. Humanitarian engineering typically focuses on programs that are affordable, sustainable, and based on local resources. Projects are typically community-driven and cross-disciplinary, and they focus on finding simple solutions to basic needs (such as close access to clean water; adequate heat, shelter, and sanitation; and reliable pathways to markets).

The phrase "humanitarian engineering" was in little use before the early 2000s. Usage of the phrase "humanitarian engineering" practically does not exist in any professional literature from the 1800s to the year 2000.

However, the concept of utilizing engineering as a mechanism of promoting societal welfare has existed since the early days of the discipline. It evolved out of the creation of an engineering code of ethics as well as the acceptance of engineering ethics as a whole. While, initially, the notion of ethics was associated with personal decision, over time, a general framework of what an engineer ought to do became established. The creation of organizations such as the National Society of Professional Engineers furthered this trend, as many such organizations began to adopt codes of ethics specifically meant to create an ethics framework for engineers. Within these codes of ethics, obligations that engineers have to society were explicitly stated including ideas like: "Engineers shall at all times strive to serve the public interest." This evolved into the creation of humanitarian engineering projects meant to promote societal welfare. As a result, in the early days of the discipline, humanitarian engineering was really only an application of engineering ethics as well as something that was just a part of individual engineering disciplines.

As a discipline of study, though, it was around 2003, when the Colorado School of Mines created the first humanitarian engineering minor, that humanitarian engineering truly gained more recognition. Over time, as more and more universities have created programs explicitly for humanitarian engineering, it has grown as a standalone discipline, rather than just an implicit part of general engineering discipline.  

Most engineering disciplines have a code of ethics that encourage working to improve the general welfare. For example, the Institute of Civil Engineers actively encourages the utilization of civil engineering in humanitarian work, calling it the "highest calling" of the occupation. Active work in the field ranges from an understanding of safety in humanitarian projects, to case studies on road building, refugee camps, footbridges, disaster response, housing and environmental clean-up. Likewise, organizations for other disciplines such as chemical engineering, environmental engineering, mechanical engineering, and biomedical engineering also encourage applying their respective disciplines for humanitarian engineering. This is coupled with the fact that many organizations, especially universities, conduct humanitarian engineering products utilizing skills from specific disciplines.

The Peru Project originated at UC Berkeley's chapter of Engineers Without Borders, and its goal was to introduce safe water sources to communities affected by groundwater wells that contained high levels of arsenic. The engineers built rainwater catchment systems in schools which utilized roof gutters to collect rainwater, a flush system to filter debris from the gutters, and a tank to collect the water. The water is made drinkable through chlorine disinfection and is distributed to other locations through piping. This has provided the community with clean water that is safe for consumption and cooking. The second initiative saw the group partnering with local health ministries to formulate a comprehensive arsenic education program to teach the community about the dangers of consumption.

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