An article from Canada on harmonization of U.S./Canada pesticide law:

The safety of pesticides in Canada is partly in the hands of U.S. regulators as the two countries forge ahead with plans to harmonize their pesticide-review processes.

News of the effort comes as a growing chorus of scientists south of the border raise the alarm about plummeting standards and rampant corporate interference in the U.S. regulatory process under the Bush administration.

Joint pesticide reviews were flagged as a “key milestone” of the 2005 Security and Prosperity Partnership, a broad-ranging plan to promote trade by streamlining regulatory protocols across North America.

For the full article see: Environmentalists baffled by pesticide-reviews process