Key relations between environment and sustainable development are defined in this piece. Fundations of sustainable development are also defined through three slosely bound areas: sociology, economy, ecology, which form a „magic triangle“. Referring to three key aspects of sustainable development topic is discussed in detail talking about sustainable manufacturing and consumption and it's affect on available resources which provide everyday necessities as well as comfort and luxury. Need for using renewable energy sources is introduced from an economic point of view. Classical energy sources and their availability and price is compared to renewable energy sources. Waste managment is also mentioned. Sociological aspect views sustainable development through developing common social sense about environment. As encouragement to that means of morming and appraisal are introduced. After an extensive and detailed definition, key terms are applied and discussed regarding Apple Inc™.