An electrical grid, also known as a power grid or electric grid, is a network of interconnected transmission lines, substations, and power stations that deliver electricity from suppliers to consumers.

The Wikipedia page for the European Union provides an in-depth overview of the supranational political and economic organization that consists of 27 member states located in Europe.

Frances Perkins was an American economist and sociologist, as well as a politician and public servant.

A hospital is a healthcare institution that provides medical and surgical treatment to patients.

Infrastructure is the system of physical structures, facilities, and services needed for the functioning of a society or organization.

In economics, a public good (also referred to as a social good or collective good) is a good that is both non-excludable and non-rivalrous.

A school is an educational institution designed to provide learning and instruction for students of various ages, typically ranging from preschool to high school.

Sewage treatment is the process of removing contaminants from wastewater, primarily from household sewage.