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  2. Non-renewable resource - Wikipedia

    en.wikipedia.org/wiki/Non-renewable_resource

    Earth minerals and metal ores are examples of non-renewable resources. The metals themselves are present in vast amounts in Earth's crust, and their extraction by humans only occurs where they are concentrated by natural geological processes (such as heat, pressure, organic activity, weathering and other processes) enough to become economically viable to extract.

  3. Resource - Wikipedia

    en.wikipedia.org/wiki/Resource

    Even though metals can be recycled and reused, whereas petroleum and gas cannot, they are still considered non-renewable resources. Renewable resources, such as forests and fisheries, can be replenished or reproduced relatively quickly. The highest rate at which a resource can be used sustainably is the sustainable yield. Some resources, such ...

  4. Primary energy - Wikipedia

    en.wikipedia.org/wiki/Primary_energy

    These are produced by conversion from a primary energy source. Primary energy is used as a measure in energy statistics in the compilation of energy balances, [5] as well as in the field of energetics. In energetics, a primary energy source (PES) refers to the energy forms required by the energy sector to generate the supply of energy carriers ...

  5. Category:Non-renewable resources - Wikipedia

    en.wikipedia.org/wiki/Category:Non-renewable...

    Pages in category "Non-renewable resources" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. ...

  6. Natural resource - Wikipedia

    en.wikipedia.org/wiki/Natural_resource

    An example of a non-renewable natural resource. Natural resources are resources that are drawn from nature and used with few modifications. This includes the sources of valued characteristics such as commercial and industrial use, aesthetic value, scientific interest, and cultural value.

  7. Category:Non-renewable resource companies - Wikipedia

    en.wikipedia.org/wiki/Category:Non-renewable...

    Non-renewable resource companies are those which collect and distribute non-renewable resources, typically through mining or drilling activities. See also: Category:Renewable resource companies Subcategories

  8. Sustainable energy - Wikipedia

    en.wikipedia.org/wiki/Sustainable_energy

    The environmental dimension of sustainability includes greenhouse gas emissions, impacts on biodiversity and ecosystems, hazardous waste and toxic emissions, [7] water consumption, [9] and depletion of non-renewable resources. [6] Energy sources with low environmental impact are sometimes called green energy or clean energy. The economic ...

  9. Alternative fuel - Wikipedia

    en.wikipedia.org/wiki/Alternative_fuel

    Alternative fuels, also known as non-conventional and advanced fuels, [1] are fuels derived from sources other than petroleum. [2] Alternative fuels include gaseous fossil fuels like propane , natural gas , methane , and ammonia ; biofuels like biodiesel , bioalcohol , and refuse-derived fuel ; and other renewable fuels like hydrogen and ...

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