• Alphabetical list of all the glossaries
• Glossaries hosted on QuickPlace
• Search the United Nations at:http://www.un.org/search (Designed by Google: check for correct UN terminology in all official languages, find documents, websites etc.)
• http://unterm.un.org (United Nations Multilingual Terminology Database: check for translation of terms, print mini-glossaries from it by subject searches and more) 
• FAO agriculture-related terminology
• Environment & Habitat Related Glossaries

This page is listed on the following page of the multilingual UNBIS Thesaurus of the Dag Hammarskjöld Library:
http://unhq-appspub-01.un.org/LIB/DHLUNBISThesaurus.nsf/zHelpDocuments/English+Links+Help?OpenDocument
and on the following UNESCO page:
http://databases.unesco.org/thesaurus/other.html