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Natural building techniques - COB
Cob is one of natural building technologies used for hundreds of years worldwide. Cob houses are made of mixed sand, clay and straw. Houses built using this technique are environmentally-friendly, energy-efficient, easy to build and cheap. >> More about COB
>> More about other natural building methods
Driving on vegetable oil
Greasecar vegetable Fuel Systems allow mechanically injected diesel vehicles to run on straight, filtered vegetable oil. Vegetable oil as fuel is a cleaner, safer and less expensive alternative to petroleum based fuel. It can be locally produced, even grown in your own back yard.
>> more: Greasecar
Ceramic Water Purifier
Small pore ceramic filters, coated with colloidal silver solution as an antybacterial agent, are an effective and low-cost solution for treatment water at a houshold level.
>> more (CAWST)
>> how to use ceramic filters (Potters for Peace)
Permaculture (permanent agriculture) is the harmonious integration of landscape and people providing their food, energy, shelter, and other material and non-material needs in a sustainable way.
>> video presentation (download Real Player)
>> more (CRMPI)
Artemisinin: an effective treatment for malaria
Sweet Annie (Artemisia annua L., Asteraceae) also known in the West as sweet wormwood or annual wormwood and in China as Qinghao noted for its compounds that can effectively treat malaria is now officially approved by WHO. To reduce the risk of developing a resistance to artemisinin by the parasite it should be combined with other anti-malaria drug.   >> more
Forest Gardens
A forest garden is a designed agronomic system based on trees, shrubs and perennial plants. The crops which are produced will often include fruits, nuts, edible leaves, spices, medicinal plant products, poles, fibres for tying, basketry materials, honey, fuelwood and fodder.
>> more: Agroforestry Research Trust
Wastewater Gardens
Constructed Wetlands are man-made ecosystems which purify water due to biological, chemical and physical processes between plants, soil and microorganisms. See special kind of constructed wetland - " Wastewater Gardens" (PCRF) that use diverse, beautiful ecosystems to treat wastewater.  >> more
Moringa oleifera tree
Moringa oleifera tree grows in several sub-desert and tropical areas around the world. It has various properties as it is packed with vitamins, minerals and essential proteins. It is used to help prevent malnutrition, to fight a number of diseases and for water clarification - brief by WELL.
>> More - Trees for life