It is because of this that designers must keep the entire life cycle of the building and its associated materials in mind. The common method employed is LCA, which is a tool used for evaluating environmental concerns. Thus, to quantify the impacts of the selected materials on the environment, an assessment method has to be applied. Environmental Protection Agency has categorized the “top ten” impacts as (1) Global Warming Potential, (2) Ozone Depletion Potential, (3) Photochemical Oxidant Potential, (4) Acidification Potential, (5) Eutrophication, (6) Health Toxicity (Cancer), (7) Health Toxicity (Non-Cancer), (8) Health Toxicity (Air Pollutants), (9) Eco-Toxicity Potential, and (10) Fossil Fuel Use. Although the total number of different potential EIs may be very large, the U.S. Hoff describes EI as being the result of the inputs and outputs over a product’s life cycle. Krygiel and Nies indicate that BIM can aid in the aspects of sustainable design which include building orientation, building massing (that is used to analyze building form and optimize the building envelope), daylighting analysis, water harvesting (that is used to reduce water needs in a building), energy modeling (that helps reducing energy needs and analyzing how renewable energy options can contribute to low energy costs), sustainable materials (that helps reducing material needs by using recycled materials), and site and logistics management (to reduce waste and carbon footprints). Using BIM helps owners and designers make energy related decisions that have a high impact on the proposed building life cycle cost at the early stage of design. Presently, Building Information Modeling tools have the ability to provide users with an opportunity to explore different energy saving alternatives at the early design stage by avoiding the time-consuming process of reentering all the building geometry and supporting information necessary for a complete energy analysis. Operating energy is expended in maintaining the inside environment through processes such as heating and cooling, lighting, and operating appliances. Embodied energy is sequestered in building materials during all processes of production, on-site construction, transportation, final demolition, and disposal. The total life cycle energy of a building includes both embodied energy and operating energy. These stages include raw material extraction, transport, manufacture, assembly, installation as well as disassembly, deconstruction, and decomposition. Generally, building materials consume energy throughout their life cycle starting by the manufacturing stage, passing through that of use, and finishing by the deconstruction phase. The ultimate goal in using energy efficient materials is to reduce the amount of artificially generated power that must be brought to a building site. Energy efficiency is an important feature in naming building materials as being environmentally friendly. This practice does not consider the integration between the design and energy analysis processes during early stages and leads to an inefficient way of backtracking to modify the design in order to achieve a set of performance criteria. Important decisions related to the design of sustainable buildings are made at the conceptual stage of their lives. An actual building project will be used to illustrate the workability of the proposed methodology. Furthermore, designers will be able to detect and evaluate the sustainability of the proposed buildings based on Leadership in Energy and Environmental Design (LEED) rating system. Using this method, designers will be provided with a new way to visualize and to identify the potential gain or loss of energy for the building as a whole and for each of its associated components. The implementation is within developing plug-ins on BIM tool capable of measuring the environmental impacts (EI) and embodied energy of building components. This paper proposes an automated model that links BIM, LCA, energy analysis, and lighting simulation tools with green building certification systems. Building Information Modeling (BIM) offers designers the ability to assess different design alternatives at the conceptual stage of the project so that energy and life cycle assessment (LCA) strategies and systems are attained. Quantifying the environmental impacts and simulating the energy consumption of building’s components at the conceptual design stage are very helpful for designers needing to make decisions related to the selection of the best design alternative that would lead to a more energy efficient building.