Data witnessing

Taking air pollution in Copenhagen as a case of environmental change, this article discusses the different ways that data are employed processes witnessing change. We distinguish between three modes “data witnessing”—modest, imperial, and guerrilla—in order to clarify how scientific, corporate, or civil society actors engaged producing analyzing about from vantage points with interests. Their respective work, well their joint participation collaboration confrontation over interpretation data, is crucial component making sense Copenhagen, which predominantly out reach human senses. Witnessing made possible by critical designs under circumstances where neither nor subjective witnessing, itself enough.