Volunteering is generally considered an altruistic activity where an individual or group provides services for no financial gain "to benefit another person, group or organization".

A public library is a library that is accessible by the general public and is generally funded from public sources, such as taxes. It is...

A flood is an overflow of water that submerges land which is usually dry. The European Union (EU) Floods Directive defines a flood as a...

Public transport (also known as public transportation, public transit, or mass transit) is a shared passenger-transport service which is available for use by the general...

An election is a formal decision-making process by which a population chooses an individual to hold public office. Elections have been the usual mechanism by...

Water quality refers to the chemical, physical, biological, and radiological characteristics of water. It is a measure of the condition of water relative to the...