The atlas of U.S. and Canadian environmental history

European exploration and the Colonial Era (1492-1770s)

Expansion and conflict (1770s-1850s)

Landscape of industrialization (1850s-1920s)

The Conservation Era (1880s-1920s)

From the Depression to atomic power (1930s-1960s)

The rise of the environmental movement (1960s-1980s)

Contemporary environmentalism (1980s-present).