Human factors is the most important components of Green Architecture besides the main approach of energy consumption and preservation . That factors are reflected by introduce comfort and healthy spaces , Which suitable for human occupation both physical and psychological. The article concern the relationships of Green Architecture with nature first: as a crucial natural system , second as a natural appearance or views . The work study is concern the style of Green building of Japan architect Nikken Sekkei , Who used the concepts of Japan Traditional Architecture with new technical approach . The conclusion is that the suitable sustainable technical in Green Architecture is by unit and immerge the natural element ( sun light and heat- wind flow- earth temperature)as new tools in steps of design process .
Keywords: green architecture , comfort ,healthy