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Sharing knowledge to build rich, sustainable lives.

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

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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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Asthma inhaler spacers

Spacer for asthma medications made from a 500cc plastic bottle.

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Community action news

Römerberg houses on the west side.jpg
May 22 Germany: German Nonprofit Creates New Open-Source License for Seeds [1]

May 17 Commons: Five Practical Guidelines for Achieving a Commons Transition [2]

May 16 Localism UK: “I’m welling up just talking about it”: the marvel of Totnes LEF6 [3]

May 16 Meet g0v, the Open-source, Digital Community Transforming Democracy in Taiwan [4]

May 15 Food news: Patterns of Commoning: Farm Hack: A Commons for Agricultural Innovation [5]

Read More...


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Mohandas Karamchand Gandhi
You must be the change you wish to see in the world.

Gandhi W
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Hot topics / In the news

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Blog

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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Engr305 Appropriate Technology Projects: Below are selected service learning projects from Engr305 Appropriate Technology, which is a course on appropriate technology at Humboldt State University taught by instructor Lonny Grafman.

Air Ship Air City rooftop greywater filtration

A rooftop greywater filtration system  
Aleiha's parabolic solar cooker

Parabolic Solar Cooker  
Amal's ethanol still

A valved reflux ethanol still  
Backyard Biodigester

A biodigester converting organic waste to a fuel source  
Bike Rodeo bicycle blender

A kid's bike blender for Rio Dell Community Resource Center  
Bike trailer

A bike trailer from a converted baby stroller  
Blue ox earthen oven

Blue Ox earthen oven  
Bottoms strawbale earthen plaster

Earthen plaster and natural paint recipes  
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Energy

Solar
Water
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