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Revision as of 20:00, 12 July 2012 by RichardF (Talk | Contributions) (blog label)

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Sharing knowledge to build rich, sustainable lives.

Appropedia is for collaborative solutions
in sustainability, appropriate technology, poverty reduction, and permaculture.

You are welcome to add to and edit Appropedia -
your site to find, co-create and improve the solutions we need. Our vision and mission.

Contributors have made 347,611 edits and uploaded 27,619 files.
Browse our categories or all 7,444 articles.

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Aprologo-old.png As we approach our ten-year anniversary, we are looking at how best to support Appropedia in the next ten years. Please share your thoughts with us on the idea of appointing an Executive Director.


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Preparing the trap
GEM mosquito control. This method of mosquito control involves the use of water containers inside/outside households as well as other buildings, regularly replaced to kill mosquito larvae. It is well known that mosquitoes lay eggs in water where ever it be. It is also equally true that they visit human dwellings as well as cattle/bird sheds for feeding usually from dusk to dawn and they cannot complete their reproductive cycle without animal protein. Exploiting these weaknesses one could achieve mosquito control. For that provide a few micro water bodies around the building using household utensils. Destroy larvae as & when they appear.

By two months one gets tangible reduction in mosquito problem. This experience has repeated at many sites. Further research unearthed the reasons for the magnificent result produced in a short span of two months.

This can be easily extended to larger areas with people’s participation as well as cooperation & guidance from concerned agencies like the WHO and the perennial & apparently unsurmountable problems like Mosquito menace & Malaria, Dengue fever & a host of other problems can be solved once for all. See also Some history. This tall claim is based on the confidence given by the three decade long experience in the matter.

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Rainwater catchment at Isla Urbana

A rainwater catchment system set up by Isla Urbana with the Huicholes in Mexico.

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Jacques-Yves Cousteau
Now, as never before, the old phrase has a literal meaning: We are all in the same boat.

Jacques CousteauW
Aleiha's parabolic solar cooker
In physics, energy is an indirectly observed quantity. It is often understood as the ability a physical system has to do work on other physical systems. Since work is defined as a force acting through a distance (a length of space), energy is always equivalent to the ability to exert pulls or pushes against the basic forces of nature, along a path of a certain length.

Sustainable energy is the provision of energy that meets the needs of the present without compromising the ability of future generations to meet their needs. Sustainable energy sources are most often regarded as including all renewable energy sources, such as hydroelectricity, solar energy and power, wind power, wave power, geothermal energy and power, biomass fuel and energy, and tidal power. It usually also includes technologies that improve energy efficiency.

While many renewable energy projects are large-scale, renewable technologies are also suited to rural and remote areas, where energy is often crucial in human development. As of 2011, small solar photovoltaic (PV) systems provide electricity to a few million households, and micro-hydro configured into mini-grids serves many more. Over 44 million households use biogas made in household-scale digesters for lighting and/or cooking, and more than 166 million households rely on a new generation of more-efficient biomass cookstoves.

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ENGR 215 Introduction to Design projects – Spring 2011: Locally Delicious: The Spring 2011 semester of Engineering 215 worked with Locally Delicious to design, build, test and disseminate projects that support healthy lifestyles among youths grades 4th through 6th and their families.

Spring 2011 ENGR 215 Intro to Design Projects - Locally Delicious
Tear the Roof off
Dry sliced apples in 18 hours of sunlight with this legless solar dehydrator  
The GnomeTainer
Modular, raised garden with integrated rain catchment that can be installed on a porch  
Catch and Cook
A solar oven capable of reaching 160°F in 20 minutes  
Solar Bowling Oven
Solar oven kids can build and use on their own  
Wormland worm bin
Scalable vermiculture system from free materials for kids  
Row Blender
Row yourself a smoothie with an exercise powered blender  
Sodhoppers' Solar Dehydrator
Durable food dehydrator for a school from a waste kitchen cabinet  
Interactive School Garden
Modular school garden design incorporating several different garden styles  
The Solar Swing
Solar oven for a school reaching 200°F in 30 minutes  
School Worm Bin
Worm bin for a school built from a 55 gallon drum  
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