In its Seventh Biennial Report on Great Lakes Water Quality (signed in 1993), released this February, the International Joint Commission again concludes that contamination by various persistent toxic substances is ' the biggest problem facing the Great Lakes ecosystem. The Governments of the United States and Canada are committed to restoring and protecting the Great Lakes and the Commission’s reports assist them by identifying progress and further needs.
"Focus on International Joint Commission Activities (ISSN 0832-6673): vol.19 iss.1,"
Focus on International Joint Commission Activities: Vol. 19
, Article 1.
Available at: http://scholar.uwindsor.ca/ijcfocus/vol19/iss1/1