Assessing the Environmental Effects of Trade Liberalisation Agreements : Methodologies How can the environmental effects of trade liberalisation agreements be assessed  Are available methodologies sufficiently tuned to current concerns In order to take stock of the state of the art in assessment methodologies the OECD organised a two day technical workshop to focus on past practice and new tools for assessing the environmental effects of trade agreements. Some two dozen experts from governments international organisations universities international organisations universities and NGOs active in this area presented lessons from past practice and results of the considerable a