EIAxpert: rule-based screening-level EIA
   Expert system software for environmental impact assessment. Intended for pre-feasibility screening evaluations. Environmental Software and Services GmbH.
   http://www.ess.co.at/EIA/

Envest : Green Building Design Software
   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.
   http://www.bre.co.uk/envest

GREAT-ER - Geography-Referenced Exposure Assessment Tool for European Rivers
   Publicly available (free) GIS-based software tool for environmental risk assessment and management of chemicals in river basins. Information about the model, its validation and calibration, and applications to date. Request a copy or download manuals, upd
   http://www.great-er.org/

SimaPro Life Cycle Assessment software
   A tool to perform professional life cycle assessment (LCA) studies. It comes with a large database and a number of impact assessment methods.
   http://www.pre.nl/simapro

eiolca.net - Free Life Cycle Assessment on the Internet
   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 release
   http://www.eiolca.net