Green electricity | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-16

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Sustainable_energy


00:01:34 1 History
00:01:43 2 Definitions
00:04:42 3 Renewable energy technologies
00:06:47 3.1 First-generation technologies
00:10:47 3.2 Second-generation technologies
00:15:54 3.3 Third-generation technologies
00:21:23 3.4 Enabling technologies for renewable energy
00:23:42 4 Energy efficiency
00:27:03 4.1 Smart-grid technology
00:27:53 5 Green energy and green power
00:32:53 5.1 Local green energy systems
00:34:46 5.2 Using green energy
00:39:29 5.3 Green energy and labeling by region
00:39:39 5.3.1 European Union
00:40:43 5.3.2 United States
00:45:17 6 Sustainable energy research
00:46:32 6.1 Biomass
00:48:15 6.2 Ethanol biofuels
00:49:45 6.3 Other Biofuels
00:52:13 6.4 Thorium
00:53:15 6.5 Solar
00:55:29 6.5.1 Space-Based Solar Power
00:56:49 6.6 Wind
00:59:59 6.7 Geothermal
01:01:37 6.8 Hydrogen
01:02:19 7 Clean energy investments
01:06:04 8 Related journals
01:06:34 9 See also



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SUMMARY
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Sustainable energy is energy that is consumed at insignificant rates compared to its supply and with manageable collateral effects, especially environmental effects. Another common definition of sustainable energy is an energy system that serves the needs of the present without compromising the ability of future generations to meet their energy needs. Not all renewable energy is sustainable. While renewable energy is defined as energy sources that are naturally replenished on a human timescale, sustainable (often referred to as 'clean') energy must not compromise the system in which it is adopted to the point of being unable to provide for future need. The organizing principle for sustainability is sustainable development, which includes the four interconnected domains: ecology, economics, politics and culture. Sustainability science is the study of sustainable development and environmental science.Technologies promote sustainable energy including renewable energy sources, such as hydroelectricity, solar energy, wind energy, wave power, geothermal energy, bioenergy, tidal power and also technologies designed to improve energy efficiency. Costs have decreased immensely throughout the years, and continue to fall. Increasingly, effective government policies support investor confidence and these markets are expanding. Considerable progress is being made in the energy transition from fossil fuels to ecologically sustainable systems, to the point where many studies support 100% renewable energy.