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By: NaturalFreeChoice.com Choosing the right technology helps to protect our environment, and at the same time makes our work easier, this type of technology is called appropriate technology. It is designed taking into consideration the ethical, community, economical, and cultural aspects from where it is going to be used. There are some characteristics that describe this technology like the reduction of electric use, reduction of labor, uses renewable energy and materials that are friendly for the environment, etc. Following are some example of this technology with a brief description: 1) Solar cookers a) Use heat from the sun and cooks slow b) There are several designs: 1) Heat trap boxes 2) Curve concentrators (parabolic) 3) Panel cookers 2) Solar dryers a) Can be used to dry vegetables and fruits b) Some designs are: 1) Plastic dryers: made of wood frame and wrapped with a clear plastic 2) Wood and glass dryers: uses air flow

"Energy security is rapidly becoming a major concern for citizens of both developed and developing countries. We have grown totally dependent on low cost oil and gas for our everyday lives. As increased pressure is put on the remaining reserves, prices are rising inexorably, and alternatives must be sought. This requires a change of lifestyle for the 21st Century. Wastewatts is a technology discussion forum that looks at ways in which we might change our fossil fuel dependent lifestyles, off-setting petroleum with renewable fuels or those derived from industrial or agricultural waste."

"With aims of gradually forming a resilient environmental network over the city of Sendai, renovating existing water policy, providing new green public space that is more sustainable and efficient by using smart grid technology."

"Cd3wd is a free but high quality collection of practical How-To Technical Development Information - helping the 3rd world to help itself. There are 4000 titles, totalling 13 gigabytes. We host cd3wd free online and we also - very importantly - make it available for free download and onward dissemination via flash ram, CD, DVD, external hard drive etc.."