Get our free book (in Spanish or English) on rainwater now - To Catch the Rain.

Difference between revisions of "Renewable energy"

From Appropedia
Jump to: navigation, search
(basic info, problems with old renewables, new renewables a tiny percentage of energy used.)
Line 5: Line 5:
 
}}
 
}}
  
 +
[[Renewable energy]] comes from resources which never are continually renewed by natural processes, such as sunlight, wind, rain, tides, and geothermal heat
 +
 +
Renewable energy is potentially [[environmentally friendly]], but not always. The "old renewables, bioass and hydroelectricity, generally have massive negative impacts:
 +
* Burning biomass creates smoke, and [[indoor pollution]] which is a major cause of [[infant mortality]] in [[less developed communities]].
 +
* [[Dams]], used for large-scale [[hydroelectric]] projects, cause massive environmental disruption, interfering with fish migration and breeding, preventing the natural flow of sediment and nutrients, and interrupting the natural [[water cycle]] with sometimes unpredictable consequences (such as the outbreak of the parasitic illness [[schistosomiasis]]{{wp sup|schistosomiasis}} following the year-round [[irrigation]] introduced by the [[Aswan Dam]] .
 +
 +
In 2006, about 18% of global final energy consumption came from renewables, but this is almost all from the old, damaging renewables: 13% from traditional biomass, mainly for heating, and 3% from hydroelectricity. "New renewables ([[small hydro]], modern biomass, wind, solar, geothermal, and biofuels) accounted for only 2.4%, but are growing very rapidly.{{fact}}
 +
 +
== Interwiki links ==
 +
 +
* [[Wikipedia:Renewable energy]]
 +
 +
{{stub}}
  
 
[[Category:Energy]]
 
[[Category:Energy]]
 
[[Category:Sustainability]]
 
[[Category:Sustainability]]

Revision as of 07:24, 4 July 2010


Default.png    More information is at Renewable energy category -
subtopics, howtos, projects, designs, organizations and more.
Also see the Portal.


Renewable energy comes from resources which never are continually renewed by natural processes, such as sunlight, wind, rain, tides, and geothermal heat

Renewable energy is potentially environmentally friendly, but not always. The "old renewables, bioass and hydroelectricity, generally have massive negative impacts:

In 2006, about 18% of global final energy consumption came from renewables, but this is almost all from the old, damaging renewables: 13% from traditional biomass, mainly for heating, and 3% from hydroelectricity. "New renewables (small hydro, modern biomass, wind, solar, geothermal, and biofuels) accounted for only 2.4%, but are growing very rapidly.[verification needed]

Interwiki links



Aprologo-shiny-clearest.png This page is a "stub" - it needs more content.

You are invited to add your knowledge.

No registration needed - just edit.
We monitor for spam and to keep these pages improving.