  Researchers are developing mobile sensing platforms to facilitate public
awareness of environmental conditions. However, turning such awareness into
practical community action and political change requires more than just
collecting and presenting data. To inform research on mobile environmental
sensing, we conducted design fieldwork with government, private, and public
interest stakeholders. In parallel, we built an environmental air quality
sensing system and deployed it on street sweeping vehicles in a major U.S.
city; this served as a "research vehicle" by grounding our interviews and
affording us status as environmental action researchers. In this paper, we
present a qualitative analysis of the landscape of environmental action,
focusing on insights that will help researchers frame meaningful technological
interventions.
