The research is intended to examine the influences of corporate governance, environmental performance factors, and investment decisions toward the values of firm. The corporate governance used in this research was identified by the proportion of institutional ownership, the proportion of independent commissioner board, and the total number of audit committee. The values of firm theory used in this research was measured under Tobin’s Q theory. While, the environmental performance factors were measured under the guidance of PROPER issued by the Ministry of Environmental Affairs of Indonesia. The research employed samples out of manufacture companies listed in Indonesian Stock Exchange in 2012-2014 period. The samples were determined by using purposive sampling method. The research result pointed that 1.) The corporate governance, along with the proportion of institutional ownership, the proportion of independent commissioner board, and the number of audit committee created negative influences toward the values of firm, and 2.) The environmental performance factors brought positive influences toward the values of firm.