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Alternate energy sources must be made to help save money,save the climate, and reduce air pollution. Nuclear energy especially new types of plants that could be substantial in providing cleaner energy. Wind energy as well for its abundance and the fact that it's free . And some sort of electric hybrid or bio fuel for transportation personal and professional. All will of these methods of energy are a step in the right directionThis article redirected to Energy development which doesn't suffice. In the past it redirected to Renewable energy and Future energy development. Neither of these are equivalent to Alternative energy. Renewable energy is close but not necessarily the same. So I'm starting the page. -- Duk 15:52, 16 September 2007 (UTC)
I just wanted to suggest an external link for this page. The following is one of the most comprehensive alternative energy news websites:
Renewable Energy is very nice to have around these days because we can do things and it wont hurt the Earth or us at all. Its very nice to know. -Ethel Bennett —Preceding unsigned comment added by 208.3.110.119 ( talk) 16:01, 20 November 2007 (UTC)
I made the mistake of posting my link to [http:// AlternativeEnergy.com AlternativeEnergy.com] without discussing it here. The site is a definite resource that would be of great interest to people interested in this subject. The site is a Social Network with access to a tremendous amount of news, research, and important links to motivate people towards a path of deploying Alternative Energy. This is a vital interest in our time and this site is meant to be a portal to this new era. A review at Killer Startups recently called it a A Portal for Saving the World. The purpose of adding this link to Wikipedia is to be a service to the internet user. It is understood that there is no SEO benefit because of the NOFOLLOW links. Dougschi ( talk) 18:32, 17 December 2007 (UTC) —Preceding unsigned comment added by Dougschi ( talk • contribs) 03:23, 17 December 2007 (UTC)
I will do that Dougschi ( talk) 18:32, 17 December 2007 (UTC)
While a WP search of wave energy takes you to wave power, my attempt to add wave energy to the article caused a red word with no page. I changed it to wave power. I would guess that no one is really trying to make a distinction between power over time and energy, which are equivalent. Perhaps a more sophisticated redirect is needed for wave power so that the entry is symmetric with the other energy entries. Nukeh ( talk) 12:32, 13 March 2008 (UTC)
If alternative energy means non conventional, then since hydro, coal and nuclear are well established conventional sources contributing significant power worldwide, neither belong on the list. If any or all should be on the list, our definition must be modified.
Wiktionary has the following definitions. Both conflict with ours:
If it is B, then this article should merge with renewables. If it is A, then Nukes are on the list. Perhaps the wiktionary definition is wrong and we could take the time consuming path of debating a new definition eg:
Really, we can have lists topics for all of these, but what we shouldn't do is make up a definition to fit the technologies we favor. We rather should cover the subject of whatever the generally accepted meaning of the term is. As a person unconnected with the energy field, when I utter the term, I mean definition 2, but I can see someone working close to the field would view the meaning as "unconventional". In any case, as the def currently stands, hydro coal and nukes must remain off the list. - J JMesserly ( talk) 01:03, 28 November 2008 (UTC)
We need to rethink this article, particularly the lead. It is not satisfactory to call fission "conventional" and to call renewables "alternative". And then go on to say: "Alternative energy, except perhaps in niche markets, is generally more expensive than conventional sources, but if various problems can be overcome, it holds considerable potential." Renewables are making significant contributions to energy supply now, which simply wouldn't be the case if they were "more expensive" or had "problems to be overcome".
Renewable energy accounted for 10.76% of the domestically-produced energy used in the United States in the first eight months of 2008. This share is only slightly less than the contribution from nuclear power (12.39%). And while consumption of nuclear power dropped slightly during the first eight months of 2008, compared to the same period for 2007 (5.629 quads, down from 5.637 quads), domestic renewable energy production's share increased by more than seven percent (4.886 quads, up from 4.549 quads). [1] Johnfos ( talk) 09:51, 3 December 2008 (UTC)
3. Energy derived from sources that do not share the undesired consequences of current energy sources; i.e climate change or unsafe nuclear waste storage.
Hi JJ, I appreciate that you've taken some time to articulate your thoughts, and I'm interested in what you are saying, but could I please ask you to summarise your main point in a sentence or two? Thanks. Johnfos ( talk) 22:09, 3 December 2008 (UTC)
It seems that editors have differing views about alternative energy, and that there are few reliable sources to support a comprehensive article. So I'd like to suggest that we simply redirect this page to Sustainable energy. Johnfos ( talk) 02:58, 13 December 2008 (UTC)
Well Art, other energy articles require attention and I intend to back off and let other folks develop the article from here, it is clearly beyond stub status. I leave a framework that could be fleshed out more or re factored if my structure doesn't make the best sense. I do believe that the current article answers all the objections raised above. It is not a dictionary entry, has multiple solid and relevant secondary sources, and has a solid rationale for existence as a distinct article.
There are areas for improvement. I was unclear what sort of depth folks would be interested in on some of the sections and deliberately left them spartan. Also, it probably would be would be useful if we had a table with example controversial technologies that illustrate the differences between the different schools of thought regarding alternative energy. A central survey type article is the logical location for such comparisons. EG rows: Compressed-air energy storage, current tech fission, coal liquefaction, algol, garbage burning, natural gas, then with columns indicating whether they meet definitions for the various schools: renewable, sustainable, energy independence or CO2 free definitions of alternative.
If you prefer to add your "non conventional energy" category, there is certainly a body of authoritative works to support a description of the perspective of this school of thought on what is and is not an alternative energy source. - J JMesserly ( talk) 21:57, 15 December 2008 (UTC)
There are a string of statements here that portray biofuels in a negative light. The reality is that biofuels have both positive and negative views associated with them, and both should be presented for balance. For example, there are differing views on the food vs fuel debate and there is actually considerable evidence that biofuels are not to blame for high food prices (see, for eg., [3], [4], [5]).
If we are to focus on alcohol as alternative to fossil fuels I would have thought it would be instructive to explore the Brazilian situation, since much has happened there. Johnfos ( talk) 05:02, 22 December 2008 (UTC)
See what you think. I've tried to steer away from debate (which is covered elsewhere) and focus on a few basic facts about the transition from fossil fuels to alcohol alternatives. Johnfos ( talk) 00:37, 23 December 2008 (UTC)
I don't feel good about the reference added to a commercial cite, especially in the first line of the lead. Isn't there an independent, reliable source (scientific paper, government report) that provides similar information? -- Art Carlson ( talk) 09:56, 11 January 2009 (UTC)
write over hear ok. —Preceding unsigned comment added by 117.199.184.102 ( talk) 08:00, 9 May 2009 (UTC)
If you know any suggestion about "alternate sources of energy" please go to the heading "edit this page" and go at last and erase this paragraph and write your suggeston to help me.
The last sentence of this section needs revision. I am unsure what the author wanted to say, but what is currently there cannot be true - DNA can not be manipulated to be crude oil. Perhaps he was referring to the EXCREMENT being like crude oil DUE TO DNA manipulation?-- Sahmejil ( talk) 21:08, 11 July 2009 (UTC)
I am troubled by this recent edit. As a physicist, I have some doubts about whether it makes any sense, but I don't know for sure. That's what sources are for. The references given are essentially two blogs - no peer-reviewed publications, no reviews by government funding organizations, no money from major corporations, no coverage in mainline news or by professional organizations. This section could get very long if we include every idea that is blogged somewhere. Come to think of it, this whole section ("Relatively new concepts for alternative energy") is inviting such trouble. I propose removing mention of any concepts that do not have coverage in tertiary sources or solid secondary sources. (Gee, that sounds like a Wikipedia policy, doesn't it?) -- Art Carlson ( talk) 09:25, 22 July 2009 (UTC)
Beleive an Alternative Global Energy Indpendence Day was crtead in 2005 Jul 10th To promote "CLEAN GREEN" Alternative energy. Decisivevictory ( talk) 01:49, 21 November 2009 (UTC)
isn't nuclear power considered an alternative form of energy giving that its harm to the environment is minimal and it doesn't include burning anything? —Preceding unsigned comment added by 190.206.162.190 ( talk) 19:58, 26 November 2009 (UTC)
alternative energy is one of the most advanced form of energy in which —Preceding unsigned comment added by 110.172.176.2 ( talk) 13:31, 25 January 2010 (UTC)
Source | Definition |
---|---|
Oxford Dictionary | energy fuelled in ways adriansearch=alternative+energy&textsearchtype=exact. Accessed May 2, 2008.</ref> |
This part oft this list doesn't make sense and the link is a dead-link.
Knows anyone the correct meaning of the selection above an the correct target of the link? —Preceding unsigned comment added by 212.183.43.136 ( talk) 08:47, 12 March 2010 (UTC)
This seems to be the place where people are discussing things for this page. Let me know if I am doing something wrong here.
Yesterday I made some changes to the paragraph just before the table of contents. Today Arthur Rubin is telling me that my changes were wrong and didn't make sense, but I think my changes were better.
That paragraph is over generalizing on a couple of points and appears to be logically incorrect on another.
First, the paragraph says that "in general" the definition of "alternative energy" is ... and then gives a very specific meaning that only applies to modern society. It seems the general definition would be the one that encompasses all of the cases described in the article and that this is only one SPECIFIC definition, not the general one. My changes tried to make that clearer.
Second, the last sentence says that "official use of the term" excludes nuclear energy but if you read the citation it is only a legislative definition from Michigan, USA. I don't think it is valid to say that because Michigan, USA excludes nuclear energy that all official uses of the term also excludes nuclear energy. This is over generalizing from one specific case to a general case.
Last, the current text says that the less comprehensive definition INCLUDES nuclear energy. This makes no logical sense. It would mean that the MORE comprehensive definition includes fewer things ... which makes no sense. I think that the problem happened when someone changed "excludes" to "includes" here:
http://en.wikipedia.org/?title=Alternative_energy&diff=360075806&oldid=360074933
Please help me understand why my changes have been undone. —Preceding unsigned comment added by Sherilyn69 ( talk • contribs) 19:30, 10 May 2010 (UTC)
the company at the end of the paragraph said it was going to release a prototype in autumn 2009. has anything happened on this? —Preceding unsigned comment added by Kenne264 ( talk • contribs) 03:54, 19 October 2010 (UTC)
All systems have a life-cycle cost. Research (concept), design and development, production, sustaining (maintenance) and finally disposal or end-of-life. Each phase isn't free. This has to be part of the article, or else it's just selling "free energy" without the fine print.-- 74.107.74.39 ( talk) 00:42, 6 April 2011 (UTC)
Air Hydro Power (or Air Hydro Electric Station)
http://www.renewableenergyworld.com/rea/blog/post/2012/06/air-hes
is using cloud water with head 2-3 km. It is a new alternative for Solar and Wind with the best economics (up to 500 W per 1 m2 of PP mesh for $0.25). It could give worldwide up to 810 TW renewable energy + water supply. Andrew Kazantsev ( talk) 19:39, 29 March 2013 (UTC)
This article begins by defining 'alternative energy' sources as alternatives to fossil fuels. Two other sections in this article appear to describe coal as an alternative energy source, even though this contradicts the definition that was given in the lead section. There are sections in this article about coal as an alternative to wood and coal gasification as an alternative to petroleum. Jarble ( talk) 01:45, 30 September 2015 (UTC)
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Think theres a Global Energy Indeppendence day held on the birth anniversary of Nikola tesla? Didnt see a mention of ANY alternative energy days to promote encourage Alternative Energy in article ! Thanks! Eddson storms ( talk) 23:24, 27 December 2016 (UTC)
As a group we want to discuss the opposition that alternative energy faces and who is opposed it? Why is alternative energy opposed and examples of how movements towards alternative energy are opposed.
This our current progress on the sandbox we are using to plan out our additions and edits.
Jose R-- Renewable alternative energy has faced pushback from multiple groups, this includes conservatives and liberals. Around twelve states have weakened alternative energy movements by passing proposals. "In Kansas, for example, lawmakers recently defeated a bill that would have phased out the state’s renewable energy mandates, but its backers have vowed to propose it again.". [1] Jrobles2795 ( talk) 21:38, 23 February 2017 (UTC)
Adam W-- Solar energy is the fastest growing and most recognized form of alternative energy in today's society. Solar panels have become an icon for the 'green power' movement, however the process of manufacturing these mostly quartz based solar panels is actually very detrimental to the environment. First the raw quartz (silica) that is used to create solar cells must be mined, using harsh chemicals that not only harm the surrounding earth, but mine workers as well. Lung disease silicosis is a form of lung disease that is caused when miners inhale crystalline silica dust that then causes nodule lesions in the lungs. Next, the silica must be cultivated into metallurgical-grade silicon, which requires a mass amount of energy as the quartz is placed in furnaces that are run off fossil fuels. Next, the metallurgical based silicone must go through a purification process that simplifies the compound into polysilicon. Tetrachloride, an extremely toxic substance, is a by product of this purification process and if not disposed of correctly can be very harmful to the surrounding environment. When tetrachloride mixes with water, hydrochloric acid is releases which raises water and soil pH, rendering land infertile and poisonous. We are seeing more incidents of tetrachloride pollutions in China, as the production of solar panels have shifted from Europe and the United States to Asian countries in the early 2000's. In Gaolong, China villagers are not able to leave their homes because their air and soil has been rendered toxic after Luoyang Zhonggui High-Technology Co. repeatedly dumped tetrachloride in a nearby field for almost a year.
Often "alternative energy" means solar & wind, which as we head for 6 degree global warming is too little, too late - Google spent $30 million on their RE<C project to develop renewable energy and stave off catastrophic climate change. The project was cancelled after concluding that a best-case scenario for rapid advances in renewable energy could only result in emissions 55 percent below the fossil fuel projections for 2050. [2] By the way who or what is POL 150C Group? Dougmcdonell ( talk) 04:56, 24 February 2017 (UTC)
As a part of a course at the University of Arizona, we were assigned to make some significant edits to wikipedia pages that are relavant to the course POl 150C "What is Politics?" Jrobles2795 ( talk) 04:00, 2 March 2017 (UTC)
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DCPROJECT, your new lead is just too detailed, and because it fails to provide us with the broad strokes right away, it makes the article lack cohesiveness. It is not concise enough and is inferior to the current lead, sorry. El_C 19:54, 24 May 2019 (UTC)
The History section mostly talks about adoption of fossil fuels. This isn't what people have in mind when they talk about alternative energy. I am planning to move the part that isn't fossil-fuel-focused to a different section, and copy the rest to the Talk page. Clayoquot ( talk | contribs) 18:47, 15 October 2019 (UTC)
History section copied below:
Historians of economies have examined the key transitions to alternative energies and regard the transitions as pivotal in bringing about significant economic change. [1] [2] [3] Prior to the shift to an alternative energy, supplies of the dominant energy type became erratic, accompanied by rapid increases in energy prices.
In the late medieval period, coal was the new alternative fuel to save the society from overuse of the dominant fuel, wood. The deforestation had resulted in shortage of wood, at that time soft coal appeared as a savior. Historian Norman F. Cantor describes how:
Europeans had lived in the midst of vast forests throughout the earlier medieval centuries. After 1250 they became so skilled at deforestation that by 1500 AD they were running short of wood for heating and cooking... By 1500 Europe was on the edge of a fuel and nutritional disaster, [from] which it was saved in the sixteenth century only by the burning of soft coal and the cultivation of potatoes and maize. [4]
Whale oil was the dominant form of lubrication and fuel for lamps in the early 19th century, but the depletion of the whale stocks by mid century caused whale oil prices to skyrocket setting the stage for the adoption of petroleum which was first commercialized in Pennsylvania in 1859. [5]
In the 1970s, President Jimmy Carter's administration advocated coal gasification as an alternative to expensive imported oil. The program, including the Synthetic Fuels Corporation was scrapped when petroleum prices plummeted in the 1980s. The carbon footprint and environmental impact of coal gasification are both very high. citation needed
{{
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{{
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This article was the subject of a Wiki Education Foundation-supported course assignment, between 28 August 2019 and 20 December 2019. Further details are available on the course page. Student editor(s): Floydp3.
Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT ( talk) 13:57, 16 January 2022 (UTC)
Alternate energy sources must be made to help save money,save the climate, and reduce air pollution. Nuclear energy especially new types of plants that could be substantial in providing cleaner energy. Wind energy as well for its abundance and the fact that it's free . And some sort of electric hybrid or bio fuel for transportation personal and professional. All will of these methods of energy are a step in the right directionThis article redirected to Energy development which doesn't suffice. In the past it redirected to Renewable energy and Future energy development. Neither of these are equivalent to Alternative energy. Renewable energy is close but not necessarily the same. So I'm starting the page. -- Duk 15:52, 16 September 2007 (UTC)
I just wanted to suggest an external link for this page. The following is one of the most comprehensive alternative energy news websites:
Renewable Energy is very nice to have around these days because we can do things and it wont hurt the Earth or us at all. Its very nice to know. -Ethel Bennett —Preceding unsigned comment added by 208.3.110.119 ( talk) 16:01, 20 November 2007 (UTC)
I made the mistake of posting my link to [http:// AlternativeEnergy.com AlternativeEnergy.com] without discussing it here. The site is a definite resource that would be of great interest to people interested in this subject. The site is a Social Network with access to a tremendous amount of news, research, and important links to motivate people towards a path of deploying Alternative Energy. This is a vital interest in our time and this site is meant to be a portal to this new era. A review at Killer Startups recently called it a A Portal for Saving the World. The purpose of adding this link to Wikipedia is to be a service to the internet user. It is understood that there is no SEO benefit because of the NOFOLLOW links. Dougschi ( talk) 18:32, 17 December 2007 (UTC) —Preceding unsigned comment added by Dougschi ( talk • contribs) 03:23, 17 December 2007 (UTC)
I will do that Dougschi ( talk) 18:32, 17 December 2007 (UTC)
While a WP search of wave energy takes you to wave power, my attempt to add wave energy to the article caused a red word with no page. I changed it to wave power. I would guess that no one is really trying to make a distinction between power over time and energy, which are equivalent. Perhaps a more sophisticated redirect is needed for wave power so that the entry is symmetric with the other energy entries. Nukeh ( talk) 12:32, 13 March 2008 (UTC)
If alternative energy means non conventional, then since hydro, coal and nuclear are well established conventional sources contributing significant power worldwide, neither belong on the list. If any or all should be on the list, our definition must be modified.
Wiktionary has the following definitions. Both conflict with ours:
If it is B, then this article should merge with renewables. If it is A, then Nukes are on the list. Perhaps the wiktionary definition is wrong and we could take the time consuming path of debating a new definition eg:
Really, we can have lists topics for all of these, but what we shouldn't do is make up a definition to fit the technologies we favor. We rather should cover the subject of whatever the generally accepted meaning of the term is. As a person unconnected with the energy field, when I utter the term, I mean definition 2, but I can see someone working close to the field would view the meaning as "unconventional". In any case, as the def currently stands, hydro coal and nukes must remain off the list. - J JMesserly ( talk) 01:03, 28 November 2008 (UTC)
We need to rethink this article, particularly the lead. It is not satisfactory to call fission "conventional" and to call renewables "alternative". And then go on to say: "Alternative energy, except perhaps in niche markets, is generally more expensive than conventional sources, but if various problems can be overcome, it holds considerable potential." Renewables are making significant contributions to energy supply now, which simply wouldn't be the case if they were "more expensive" or had "problems to be overcome".
Renewable energy accounted for 10.76% of the domestically-produced energy used in the United States in the first eight months of 2008. This share is only slightly less than the contribution from nuclear power (12.39%). And while consumption of nuclear power dropped slightly during the first eight months of 2008, compared to the same period for 2007 (5.629 quads, down from 5.637 quads), domestic renewable energy production's share increased by more than seven percent (4.886 quads, up from 4.549 quads). [1] Johnfos ( talk) 09:51, 3 December 2008 (UTC)
3. Energy derived from sources that do not share the undesired consequences of current energy sources; i.e climate change or unsafe nuclear waste storage.
Hi JJ, I appreciate that you've taken some time to articulate your thoughts, and I'm interested in what you are saying, but could I please ask you to summarise your main point in a sentence or two? Thanks. Johnfos ( talk) 22:09, 3 December 2008 (UTC)
It seems that editors have differing views about alternative energy, and that there are few reliable sources to support a comprehensive article. So I'd like to suggest that we simply redirect this page to Sustainable energy. Johnfos ( talk) 02:58, 13 December 2008 (UTC)
Well Art, other energy articles require attention and I intend to back off and let other folks develop the article from here, it is clearly beyond stub status. I leave a framework that could be fleshed out more or re factored if my structure doesn't make the best sense. I do believe that the current article answers all the objections raised above. It is not a dictionary entry, has multiple solid and relevant secondary sources, and has a solid rationale for existence as a distinct article.
There are areas for improvement. I was unclear what sort of depth folks would be interested in on some of the sections and deliberately left them spartan. Also, it probably would be would be useful if we had a table with example controversial technologies that illustrate the differences between the different schools of thought regarding alternative energy. A central survey type article is the logical location for such comparisons. EG rows: Compressed-air energy storage, current tech fission, coal liquefaction, algol, garbage burning, natural gas, then with columns indicating whether they meet definitions for the various schools: renewable, sustainable, energy independence or CO2 free definitions of alternative.
If you prefer to add your "non conventional energy" category, there is certainly a body of authoritative works to support a description of the perspective of this school of thought on what is and is not an alternative energy source. - J JMesserly ( talk) 21:57, 15 December 2008 (UTC)
There are a string of statements here that portray biofuels in a negative light. The reality is that biofuels have both positive and negative views associated with them, and both should be presented for balance. For example, there are differing views on the food vs fuel debate and there is actually considerable evidence that biofuels are not to blame for high food prices (see, for eg., [3], [4], [5]).
If we are to focus on alcohol as alternative to fossil fuels I would have thought it would be instructive to explore the Brazilian situation, since much has happened there. Johnfos ( talk) 05:02, 22 December 2008 (UTC)
See what you think. I've tried to steer away from debate (which is covered elsewhere) and focus on a few basic facts about the transition from fossil fuels to alcohol alternatives. Johnfos ( talk) 00:37, 23 December 2008 (UTC)
I don't feel good about the reference added to a commercial cite, especially in the first line of the lead. Isn't there an independent, reliable source (scientific paper, government report) that provides similar information? -- Art Carlson ( talk) 09:56, 11 January 2009 (UTC)
write over hear ok. —Preceding unsigned comment added by 117.199.184.102 ( talk) 08:00, 9 May 2009 (UTC)
If you know any suggestion about "alternate sources of energy" please go to the heading "edit this page" and go at last and erase this paragraph and write your suggeston to help me.
The last sentence of this section needs revision. I am unsure what the author wanted to say, but what is currently there cannot be true - DNA can not be manipulated to be crude oil. Perhaps he was referring to the EXCREMENT being like crude oil DUE TO DNA manipulation?-- Sahmejil ( talk) 21:08, 11 July 2009 (UTC)
I am troubled by this recent edit. As a physicist, I have some doubts about whether it makes any sense, but I don't know for sure. That's what sources are for. The references given are essentially two blogs - no peer-reviewed publications, no reviews by government funding organizations, no money from major corporations, no coverage in mainline news or by professional organizations. This section could get very long if we include every idea that is blogged somewhere. Come to think of it, this whole section ("Relatively new concepts for alternative energy") is inviting such trouble. I propose removing mention of any concepts that do not have coverage in tertiary sources or solid secondary sources. (Gee, that sounds like a Wikipedia policy, doesn't it?) -- Art Carlson ( talk) 09:25, 22 July 2009 (UTC)
Beleive an Alternative Global Energy Indpendence Day was crtead in 2005 Jul 10th To promote "CLEAN GREEN" Alternative energy. Decisivevictory ( talk) 01:49, 21 November 2009 (UTC)
isn't nuclear power considered an alternative form of energy giving that its harm to the environment is minimal and it doesn't include burning anything? —Preceding unsigned comment added by 190.206.162.190 ( talk) 19:58, 26 November 2009 (UTC)
alternative energy is one of the most advanced form of energy in which —Preceding unsigned comment added by 110.172.176.2 ( talk) 13:31, 25 January 2010 (UTC)
Source | Definition |
---|---|
Oxford Dictionary | energy fuelled in ways adriansearch=alternative+energy&textsearchtype=exact. Accessed May 2, 2008.</ref> |
This part oft this list doesn't make sense and the link is a dead-link.
Knows anyone the correct meaning of the selection above an the correct target of the link? —Preceding unsigned comment added by 212.183.43.136 ( talk) 08:47, 12 March 2010 (UTC)
This seems to be the place where people are discussing things for this page. Let me know if I am doing something wrong here.
Yesterday I made some changes to the paragraph just before the table of contents. Today Arthur Rubin is telling me that my changes were wrong and didn't make sense, but I think my changes were better.
That paragraph is over generalizing on a couple of points and appears to be logically incorrect on another.
First, the paragraph says that "in general" the definition of "alternative energy" is ... and then gives a very specific meaning that only applies to modern society. It seems the general definition would be the one that encompasses all of the cases described in the article and that this is only one SPECIFIC definition, not the general one. My changes tried to make that clearer.
Second, the last sentence says that "official use of the term" excludes nuclear energy but if you read the citation it is only a legislative definition from Michigan, USA. I don't think it is valid to say that because Michigan, USA excludes nuclear energy that all official uses of the term also excludes nuclear energy. This is over generalizing from one specific case to a general case.
Last, the current text says that the less comprehensive definition INCLUDES nuclear energy. This makes no logical sense. It would mean that the MORE comprehensive definition includes fewer things ... which makes no sense. I think that the problem happened when someone changed "excludes" to "includes" here:
http://en.wikipedia.org/?title=Alternative_energy&diff=360075806&oldid=360074933
Please help me understand why my changes have been undone. —Preceding unsigned comment added by Sherilyn69 ( talk • contribs) 19:30, 10 May 2010 (UTC)
the company at the end of the paragraph said it was going to release a prototype in autumn 2009. has anything happened on this? —Preceding unsigned comment added by Kenne264 ( talk • contribs) 03:54, 19 October 2010 (UTC)
All systems have a life-cycle cost. Research (concept), design and development, production, sustaining (maintenance) and finally disposal or end-of-life. Each phase isn't free. This has to be part of the article, or else it's just selling "free energy" without the fine print.-- 74.107.74.39 ( talk) 00:42, 6 April 2011 (UTC)
Air Hydro Power (or Air Hydro Electric Station)
http://www.renewableenergyworld.com/rea/blog/post/2012/06/air-hes
is using cloud water with head 2-3 km. It is a new alternative for Solar and Wind with the best economics (up to 500 W per 1 m2 of PP mesh for $0.25). It could give worldwide up to 810 TW renewable energy + water supply. Andrew Kazantsev ( talk) 19:39, 29 March 2013 (UTC)
This article begins by defining 'alternative energy' sources as alternatives to fossil fuels. Two other sections in this article appear to describe coal as an alternative energy source, even though this contradicts the definition that was given in the lead section. There are sections in this article about coal as an alternative to wood and coal gasification as an alternative to petroleum. Jarble ( talk) 01:45, 30 September 2015 (UTC)
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Think theres a Global Energy Indeppendence day held on the birth anniversary of Nikola tesla? Didnt see a mention of ANY alternative energy days to promote encourage Alternative Energy in article ! Thanks! Eddson storms ( talk) 23:24, 27 December 2016 (UTC)
As a group we want to discuss the opposition that alternative energy faces and who is opposed it? Why is alternative energy opposed and examples of how movements towards alternative energy are opposed.
This our current progress on the sandbox we are using to plan out our additions and edits.
Jose R-- Renewable alternative energy has faced pushback from multiple groups, this includes conservatives and liberals. Around twelve states have weakened alternative energy movements by passing proposals. "In Kansas, for example, lawmakers recently defeated a bill that would have phased out the state’s renewable energy mandates, but its backers have vowed to propose it again.". [1] Jrobles2795 ( talk) 21:38, 23 February 2017 (UTC)
Adam W-- Solar energy is the fastest growing and most recognized form of alternative energy in today's society. Solar panels have become an icon for the 'green power' movement, however the process of manufacturing these mostly quartz based solar panels is actually very detrimental to the environment. First the raw quartz (silica) that is used to create solar cells must be mined, using harsh chemicals that not only harm the surrounding earth, but mine workers as well. Lung disease silicosis is a form of lung disease that is caused when miners inhale crystalline silica dust that then causes nodule lesions in the lungs. Next, the silica must be cultivated into metallurgical-grade silicon, which requires a mass amount of energy as the quartz is placed in furnaces that are run off fossil fuels. Next, the metallurgical based silicone must go through a purification process that simplifies the compound into polysilicon. Tetrachloride, an extremely toxic substance, is a by product of this purification process and if not disposed of correctly can be very harmful to the surrounding environment. When tetrachloride mixes with water, hydrochloric acid is releases which raises water and soil pH, rendering land infertile and poisonous. We are seeing more incidents of tetrachloride pollutions in China, as the production of solar panels have shifted from Europe and the United States to Asian countries in the early 2000's. In Gaolong, China villagers are not able to leave their homes because their air and soil has been rendered toxic after Luoyang Zhonggui High-Technology Co. repeatedly dumped tetrachloride in a nearby field for almost a year.
Often "alternative energy" means solar & wind, which as we head for 6 degree global warming is too little, too late - Google spent $30 million on their RE<C project to develop renewable energy and stave off catastrophic climate change. The project was cancelled after concluding that a best-case scenario for rapid advances in renewable energy could only result in emissions 55 percent below the fossil fuel projections for 2050. [2] By the way who or what is POL 150C Group? Dougmcdonell ( talk) 04:56, 24 February 2017 (UTC)
As a part of a course at the University of Arizona, we were assigned to make some significant edits to wikipedia pages that are relavant to the course POl 150C "What is Politics?" Jrobles2795 ( talk) 04:00, 2 March 2017 (UTC)
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DCPROJECT, your new lead is just too detailed, and because it fails to provide us with the broad strokes right away, it makes the article lack cohesiveness. It is not concise enough and is inferior to the current lead, sorry. El_C 19:54, 24 May 2019 (UTC)
The History section mostly talks about adoption of fossil fuels. This isn't what people have in mind when they talk about alternative energy. I am planning to move the part that isn't fossil-fuel-focused to a different section, and copy the rest to the Talk page. Clayoquot ( talk | contribs) 18:47, 15 October 2019 (UTC)
History section copied below:
Historians of economies have examined the key transitions to alternative energies and regard the transitions as pivotal in bringing about significant economic change. [1] [2] [3] Prior to the shift to an alternative energy, supplies of the dominant energy type became erratic, accompanied by rapid increases in energy prices.
In the late medieval period, coal was the new alternative fuel to save the society from overuse of the dominant fuel, wood. The deforestation had resulted in shortage of wood, at that time soft coal appeared as a savior. Historian Norman F. Cantor describes how:
Europeans had lived in the midst of vast forests throughout the earlier medieval centuries. After 1250 they became so skilled at deforestation that by 1500 AD they were running short of wood for heating and cooking... By 1500 Europe was on the edge of a fuel and nutritional disaster, [from] which it was saved in the sixteenth century only by the burning of soft coal and the cultivation of potatoes and maize. [4]
Whale oil was the dominant form of lubrication and fuel for lamps in the early 19th century, but the depletion of the whale stocks by mid century caused whale oil prices to skyrocket setting the stage for the adoption of petroleum which was first commercialized in Pennsylvania in 1859. [5]
In the 1970s, President Jimmy Carter's administration advocated coal gasification as an alternative to expensive imported oil. The program, including the Synthetic Fuels Corporation was scrapped when petroleum prices plummeted in the 1980s. The carbon footprint and environmental impact of coal gasification are both very high. citation needed
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