Program earth : environmental sensing technology and the making of a computational planet Introduction : environment as experiment in sensing technology Sensing an experimental forest : processing environments and distributing relations From moss cam to spill cam : techno geographies of experience Animals as sensors : mobile organisms and the problem of milieus Sensing climate change and expressing environmental citizenship Sensing oceans and geo speculating with a garbage patch Sensing air and creaturing data Citizen sensing in the smart and sustainable city : from environments to environmentality Engaging the idiot in participatory digital urbanism Digital infrastructures of withness : constructing a speculative city Conclusion : planetary computerization revisited