Alternative energy | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-02

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Alternative_energy


00:00:43 1 History
00:01:13 1.1 Coal as an alternative to wood
00:02:09 1.2 Petroleum as an alternative to whale oil
00:02:39 1.3 Ethanol as an alternative to fossil fuels
00:04:31 1.4 Coal gasification as an alternative to petroleum
00:05:07 2 Existing types of alternative energy
00:06:12 3 Enabling technologies
00:07:53 4 Renewable energy vs non-renewable energy
00:09:00 4.1 Ecologically friendly alternatives
00:10:33 5 Relatively new concepts for alternative energy
00:10:44 5.1 Carbon-neutral and negative fuels
00:14:15 5.2 Algae fuel
00:15:40 5.3 Biomass briquettes
00:16:40 5.3.1 Biogas digestion
00:17:14 5.4 Biological hydrogen production
00:19:23 5.5 Hydroelectricity
00:20:34 5.6 Offshore wind
00:22:00 5.7 Marine and hydrokinetic energy
00:22:58 5.8 Nuclear power
00:23:38 5.8.1 Thorium nuclear power
00:24:21 6 Investing in alternative energy
00:26:31 6.1 Alternative energy in transportation
00:27:35 7 Making alternative energy mainstream
00:28:24 8 Research
00:29:48 8.1 Mechanical energy
00:31:24 8.2 Solar
00:34:08 8.3 Wind
00:35:17 8.4 Biomass
00:37:14 8.5 Ethanol biofuels
00:38:33 8.6 Other biofuels
00:40:56 8.7 Geothermal
00:41:46 8.8 Hydrogen
00:42:15 9 Advantages
00:45:25 10 Disadvantages
00:48:17 11 See also



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SUMMARY
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Alternative energy is any energy source that is an alternative to fossil fuel. These alternatives are intended to address concerns about fossil fuels, such as its high carbon dioxide emissions, an important factor in global warming. Marine energy, hydroelectric, wind, geothermal and solar power are all alternative sources of energy.
The nature of what constitutes an alternative energy source has  changed considerably over time, as have controversies regarding energy use.  Because of the variety of energy choices and differing goals of their advocates, defining some energy types as "alternative" is considered very controversial.