Environmental governance through metrics: guest introduction Allison Loconto, Scott Prudham & Steven Wolf Transposing emotions to conserve nature? The positive politics of the metrics of ecosystem services Lucas Brunet Mistrust of the black box: the public auditing of private models in the chemicals regulatory space David Demortain Data-driven governance and performances of accountability: critical reflections from US agri-environmental policy Ritwick Ghosh ‘The tool didn’t make decisions for us': metrics and the performance of accountability in environmental governance Eric Nost