Gerontologists work with older adults, often providing care or conducting research. Professionals in this field study the mental, social and physical aspects of aging.
Nonprofits include common examples such as soup kitchens and animal shelters, but they take many other forms. Many religious institutions are nonprofits, as are trade associations and advocacy groups, which might work for some form of social change.
Civil engineers work on every major construction project: roads, bridges, water and sewer systems, to name a few. The need for engineers continues to grow not only in the United States, but around the world.
Marriage and family therapists help people manage and overcome problems inherent in their families and relationships. They serve as a sounding board and ask questions aimed at helping their clients not only understand their problems, but develop strategies to improve their situations.