This Diploma Work is interested in ongoing trends- ecological building – our future of living. Offers appreciation tomodern civilization in relationship with architecture, its forms and also with nature. Contemporary trends and nearfuture in architecture. Further I describe ecologically suitable materials and their use in Europe and in the World. Inshort i describe some ecological objects in Slovakia. Ecology and sustainable development is still more considered as ourfuture possibility. I try to explain a term „Ecostructure“, witch can name the whole problem.