Resource depletion is an economic term referring to the exhaustion of raw materials within a region. Resources are commonly divided between renewable resources and non-renewable resources. (See also Mineral resource classification.) Use of either of these forms of resources beyond their rate of replacement is considered to be resource depletion.

Resource depletion is most commonly used in reference to farming, fishing, mining, and fossil fuels.

Materials removed from the Earth are needed to provide humans with food, clothing, and housing and to continually upgrade the standard of living. Some of the materials needed are renewable resources, such as agricultural and forestry products, while others are nonrenewable, such as minerals. The USGS reported in Materials Flow and Sustainability (1998) that the number of renewable resources is decreasing; meanwhile there is an increasing demand for nonrenewable resources. Since 1900, the use of construction materials such as stone, sand, and gravel has soared. The large-scale exploitation of minerals began in the Industrial Revolution around 1760 in England and has grown rapidly ever since. Today’s economy is largely based on fossil fuels, minerals and oil. The value increases because of the large demand, but the supply is decreasing. This has resulted in more efforts to drill and search other territories. The environment is being abused and this depletion of resources is one way of showing the effects. Mining still pollutes the environment, only on a larger scale. The US government has produced the Clean Air Act, the Clean Water Act, and the Resource Conservation and Recovery Act of 1976 in order to regulate certain aspects of mining but it is truly up to the individual states to regulate it.

Richard Heinberg is an American journalist and educator who has written extensively on energy, economic, and ecological issues, including oil depletion. He is the author of ten books. He serves as the senior fellow at the Post Carbon Institute.

Heinberg, after two years in college and a period of personal study, became personal assistant to Immanuel Velikovsky in November 1979 and after Velikovsky's death assisted Mrs. Velikovsky editing manuscripts. He published his first book in 1989, Memories and Visions of Paradise: Exploring the Universal Myth of a Lost Golden Age, which was the result of ten years of study of world mythology. An expanded second edition was published in 1995. He began publishing his alternative newsletter, the MuseLetter, in 1992. His next book was published in 1993: Celebrate the Solstice: Honoring the Earth's Seasonal Rhythms through Festival and Ceremony.

In June 1995, speaking to the International Society for the Comparative Study of Civilizations in Dayton, Ohio, Heinberg provided "A Primitivist Critique of Civilization" and discussed the ways in which "We are, it would seem, killing the planet."