Uses 1992 input-output table of US economy to show economic and environmental effects of producing 500 commodities. Environmental impacts of production are expressed in terms of Conventional Pollutants, Greenhouse Gases, Toxic Chemicals, and other releases.

Software tool for estimating the lifecycle environmental impacts of a building from the early design stage. Considers the environmental impacts of: materials used during construction; resources consumed over the building's life.

A tool to perform professional life cycle assessment (LCA) studies. It comes with a large database and a number of impact assessment methods.

Expert system software for environmental impact assessment. Intended for pre-feasibility screening evaluations. Environmental Software and Services GmbH.

Software for life cycle assessment -- calculating the environmental performance of products, services, and organisations. "Light" version can be downloaded free.