will has a 30-year career in biological conservation and science education. He worked for 16 years at The Nature Conservancy at all levels of the organization, then spent ten years as a management consultant working with more than 400 conservation organiza

davd, (David MacClement); right now, I am living sustainably! http://www.geocities.com/davd.geo/ · and I have been for about 15 years. · Of course, it's been easier since my family of 5 started living in New Zealand in 1980 (they've grown up and scattered

Frans is a physics teacher with a special interest in and knowledge of energy saving systems in private houses. He is searching for possibilities to share and deepen his knowledge. Please ask any question in heating or energy saving areas and he will try t

Since 1982 I have been involved in many Astronomical Societies or other like minded Organizations that involve themselves and take the whole system view in terms of development. Throughout these last twenty some odd years I have spoken on the subject of wh