- NGO Forum and First Conference of the Parties to the Aarhus Convention — Chisinau, Moldova (1999)
- Workshop on Developing PRTR in Ukraine — Kiev, Ukraine (1999)
- Aarhus Convention Guide Workshop — Budapest, Hungary (1999)
- UNECE Council on Environmental Policy — Geneva, Switzerland (1999)
- Aarhus Convention Guide Steering Committee — Geneva, Switzerland (1999)
- Aarhus Convention Advisory Board — Copenhagen, Denmark (1999)
- Public Interest Environmental Law Study Tour for Central and Eastern European Environmental Lawyers and Activists — Washington, DC & Eugene, OR (1997, 1996, 1995, 1994)
- Hungarian Environmental Law Workshop for Prosecutors — Lake Balaton, Hungary (1997)
- Regional Transportation Workshop — Brno, Czech Republic (1997)
- Ukraine-United States Roundtable on Approaches to Waste Management and Pollution Prevention — Pittsburgh, PA (1997)
- Judicial Training Workshop on Environmental Law (ELI, EMLA, Hungarian Ministry of Justice) — Pilliszentkereszt, Hungary (1996)
- Symposium on Public Interest Law in Eastern Europe and Russian — Oxford, U.K. (1996)
- Workshop on Cooperation between the Polish Ministry on Environmental Protection, Natural Resources and Forestry and Non-Governmental Organizations — Warsaw, Poland
- Environmental Law for Ukranian Judges — Ukraine (1995)
- Developing and Implementing Effective Environmental Laws Study Tour (for Russian government officials and NGO lawyers) (1994)
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