Lynch, D. 2009. Environmental impacts of organic agriculture: A Canadian perspective. Can. J. Plant Sci. 89: 621-628. Canada, in 2009, will enact a regulatory regime to oversee certified organic agricultural productions systems, based on a management standard. The overreaching goal of that standard is to develop farm enterprises that are "sustainable and harmonious with the environment". However, empirical evidence to shed light on claims of environmental benefits from organic agriculture is particularly scarce in Canada and North America generally, and has not been comprehensively summarized. This review examines the literature of Canadian and US studies which relate to environmental impacts of organic agriculture within the selected [...]