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- 1. Two sticks of wood to be joined.
- Make sure the wood is in good condition where the connection is to be made. It should be clean, no bits of bark or loose paint, and no knots, as they are too hard for nails.
- 1. Two sticks of wood to be joined.
2. Two pieces of thin tin.
- For the first bond, use a knife for cutting the tin from a small can for example.
- Length and width equal to the stick diameter. (more steps follow)
A rainwater catchment system set up by Isla Urbana with the Huicholes in Mexico.
Agriculture is the cultivation of animals, plants, fungi and other life forms for food, fiber, and other products used to sustain life. Agriculture was the key implement in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the development of civilization. In the developed world, industrial agriculture based on large-scale monoculture has become the dominant system of modern farming, although there is growing support for sustainable agriculture (e.g. permaculture or organic agriculture). Sustainable agriculture is the practice of farming using principles of ecology, the study of relationships between organisms and their environment. It has been defined as "an integrated system of plant and animal production practices having a site-specific application that will last over the long term: satisfy human food and fiber needs; make the most efficient use of non-renewable resources and on-farm resources and integrate, where appropriate, natural biological cycles and controls; sustain the economic viability of farm operations; and enhance the quality of life for farmers and society as a whole.” |
- Salt: Clears Muddy Water for Solar Water Disinfection
- Open access to The Case for Open Source Appropriate Technology
- Solar PV is at grid parity in some regions - get the free open source LCOE calculator here
- Occupy Sustainability
- Orphanage tourism
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