Technology has long been an essential consideration in public
discussions of the environment, with the focus overwhelmingly on
creating new tools and techniques. In more recent years, however,
activists, researchers, and policymakers have increasingly turned to
mobilizing older technologies in their pursuit of sustainability. In
fascinating case studies ranging from the Early Modern secondhand trade
to utopian visions of human-powered vehicles, the contributions gathered
here explore the historical fortunes of two such technologies--bicycling
and waste recycling--tracing their development over time and providing
valuable context for the policy successes and failures of today.