Read More 2016 Responsible Engineering Engineers often make challenging decisions that can sometimes affect thousands of people. To help them to make good decisions, many engineering organizations have created guidelines for professional behavior or "codes of ethics". Most engineering codes of ethics state that engineers must consider the safety, health, and general well-being of the people that are or may be affected by their work. Many of these codes also state that engineers must also consider how their work can sustainably protect the environment. This means that public safety, health, and well-being, and environmental sustainability are primary concerns for engineers.