Ecological thinking isn’t necessary?

Before making eco-consciousness the basic principle of our approach to designing, it is important to analyze an almost cliché tending question: do we have to design objects to be eco-conscious at all? Of what extent does our need to “eco” originate from our resistance to change, passing and to our replacement? It is commonly known that if we don’t change the present structure of industry and economy in reasonable time we will disappear from Earth dragging lots of other species with ourselves. However, the question arises: why do we judge this to be absolutely negative?