Once patronized primarily by the counterculture and the health food establishment, the organic food industry today is a multi-billion-dollar business driven by ever-growing consumer demand for safe food and greater public awareness of ecological issues. Assumed by many to be a recent phenomenon, that industry owes much to agricultural innovations that go back to the Dust Bowl era.

This book explores the roots and branches of alternative agricultural ideas in twentieth-century America, showing how ecological thought has challenged and changed agricultural theory, practice, and policy from...

American ecologists seeking to influence the founders of the National Park Service had hoped that protection of the parks would create preserves where "natural conditions" could exist in an idealized presettlement state. These hopes, however, produced a bitter irony. In order to secure a naturally functioning park, officials had to provide intensive management to preserve "nature at work." For the better part of the twentieth century, the forms this management has taken have polarized public opinion. James A. Pritchard's Preserving Yellowstone's Natural Conditions demonstrates that even the...