AbstractThe proliferation of environmental, health, and safety regulations in recent years has increased the complexity and cost of regulatory compliance for companies. In response to the growing complexities of environmental management, many firms are turning to information systems for tracking, managing, and automating their environmental activities and information. An environmental management information system (EMIS), however, is not an end in itself. A successful EMIS supports and facilitates the integration of environmental management into business functions. Effective planning is essential for placing short‐term information system development in the context of a long‐range comprehensive environmental management strategy.This article presents specific pitfalls to avoid when purchasing environmental management software. Numerous companies have discovered that the true costs of EMIS implementation stem from the political and organizational costs of getting employees to use systems, particularly when they require alterations in existing work processes. The up‐front purchase price often represents less than 50 percent of the total system implementation cost. Failure to adequately research and plan frequently results in costly training, high modification or user fees, incompatibilities with other applications, or vendor dependence. The article then discusses the range of options in the EMIS marketplace and offers many practical suggestions to approach and plan effective implementation of an