Environment and Trade: a Handbook (IISD/UNEP, 2005)
 European Commission - External Trade - Trade and Environment
 European Commission - Trade and Environment
 IISD – Trade and Environment
 OECD - Environment and Trade
 Report on Trade and Environment (OECD, 1999)
 UNCTAD – Trade and Sustainable Development section
 UNEP - Economics and Trade Branch
 WTO - Trade and Environment

Please also consult the section "Trade sustainability Impact Assessment" under "Environmental integration tools / Other related tools / Other impact assessment tools".