introduce or energy sorce in 17th century
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Renewable sources of energy can be used over and over again. Renewable resources include solar energy, wind, geothermal energy, biomass and hydropower. They generate much less pollution, both in gathering and production, than nonrenewable sources. Solar energy comes from the sun.
Here is an overview of each of the different sources of energy that are in use, and what's the potential issue for each of them.
Solar Energy. ...
Wind Energy. ...
Geothermal Energy. ...
Hydrogen Energy. ...
Tidal Energy. ...
Wave Energy. ...
Hydroelectric Energy. ...
Biomass Energy.
Renewable energy sources include biomass, geothermal energy, hydropower, solar energy, and wind energy.
Energy development
Schematic of the global sources of energy in 2010
Total Renewables split-up by source
Fossil
Renewable
Nuclear
Biomass heat
Solar-water
Geo-heat
Hydro
Ethanol
Biodiesel
Biomass electric
Wind
Geo-electric
Solar PV
Solar CSP
Oceanic
Source: Renewable Energy Policy Network[1]
World total primary energy production
World total primary energy production
Total world primary energy production (quadrillion Btu)[2]
China
Russia
Africa
United States
Europe
Central and South America
Note the different y-axis for total (left) and regional curves (right)
US Energy Use/Flow in 2011
Estimated US Energy Use/Flow in 2011. Energy flow charts show the relative size of primary energy resources and end uses in the United States, with fuels compared on a common energy unit basis.
Energy flow charts show the relative size of primary energy resources and end uses in the United States, with fuels compared on a common energy unit basis (2011: 97.3 quads).[3]
Compounds and Radiant Energy
Solar
Nuclear
Hydro
Wind
Geothermal
Natural gas
Coal
Biomass
Petroleum
Producing Electrical Currents/Utilizing Effects Transmitted
Electricity generation
Residential, Commercial, Industrial, transportation
Rejected energy (waste heat)
Energy services
Energy development is the field of activities focused on obtaining sources of energy from natural resources. These activities include production of conventional, alternative and renewable sources of energy, and for the recovery and reuse of energy..
NATURAL RESOURCES something such as oil, coal, or the sun, which can be used to provide power for light, heat, machines, etc.: alternative/renewable energy source We are committed to the development of clean and renewable energy sources.
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