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  2. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    The main motivation to replace fossil fuels with renewable energy sources is to slow and eventually stop climate change, which is widely agreed to be caused mostly by greenhouse gas emissions. In general, renewable energy sources cause much lower emissions than fossil fuels. [12]

  3. Non-renewable resource - Wikipedia

    en.wikipedia.org/wiki/Non-renewable_resource

    A coal mine in Wyoming, United States. Coal, produced over millions of years, is a finite and non-renewable resource on a human time scale.. A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. [1]

  4. List of books about renewable energy - Wikipedia

    en.wikipedia.org/wiki/List_of_books_about...

    Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished). About 16% of global final energy consumption comes from renewables, with 10% coming from traditional biomass , which is mainly used for heating , and 3.4% from hydroelectricity .

  5. Renewable resource - Wikipedia

    en.wikipedia.org/wiki/Renewable_resource

    Oceans often act as renewable resources. Sawmill near Fügen, Zillertal, Austria Global vegetation. A renewable resource (also known as a flow resource [note 1] [1]) is a natural resource which will replenish to replace the portion depleted by usage and consumption, either through natural reproduction or other recurring processes in a finite amount of time in a human time scale.

  6. 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 ...

  7. Seven countries now generate 100% of their electricity from ...

    www.aol.com/news/seven-countries-now-generate...

    Seven countries now generate nearly all of their electricity from renewable energy sources, according to newly compiled figures.. Albania, Bhutan, Nepal, Paraguay, Iceland, Ethiopia and the ...

  8. Primary energy - Wikipedia

    en.wikipedia.org/wiki/Primary_energy

    Primary energy sources: converted by: Energy system component: to: Energy carriers (main) Non-renewable [nb 1] Fossil fuels: Oil (or crude oil) Oil refinery: Fuel oil: Coal or natural gas: Fossil fuel power station: Enthalpy, mechanical work or electricity: Mineral fuels: Natural uranium [nb 2] Nuclear power plant (thermonuclear fission ...

  9. World energy resources - Wikipedia

    en.wikipedia.org/wiki/World_energy_resources

    Renewable resources account for more than 93 percent of total U.S. energy reserves. Annual renewable resources were multiplied times thirty years for comparison with non-renewable resources. In other words, if all non-renewable resources were uniformly exhausted in 30 years, they would only account for 7 percent of available resources each year ...