Errata.

The following change should be made to Greg Block, Trade and Environment in the Western Hemishpere: Expanding the North American Agreement on Environmental Cooperation into the Americas, 33 ENVTL. L. 501 (2003):

The biographical footnote should read:

* [c] Greg Block, 2003. Distinguished Environmental Law Scholar at Lewis and Clark Law School, 2002-2003. From 1994-2002, the author served as Head of the Legal Division, and later as Director of Programs, at the North American Commission for Environmental Cooperation (CEC), headquartered in Montreal, Canada. There, he established the unit responsible for investigating allegations that a NAFTA party had failed to effectively enforce its environmental laws, and oversaw the CEC's cooperative program area. In 1992, Mr. Block taught environmental law in Mexico under the auspices of a Fulbright Lecture Grant. From 1987--1992, he litigated environmental cases with a private law firm in San Francisco, California. The author would like to acknowledge and thank the following individuals for contributing their time and energy to this article: Janine Ferretti, John Knox, Geoff Garret, Katie Jo Keppinger, Scott Vaughan, and Chris Wold.