Mariana is a Research Associate at the Environmental Change Institute. Mariana has a background in environmental psychology and behavioural science. Her research involves the study of psychological factors, perceptions and different contexts that determine sustainable behaviour change. Mariana currently works on the iDODDLE project funded by European Research Council using cross-national questionnaire surveys to test the determinants of digitalised daily life.


Mariana’s research interest include understanding public perceptions of digital services and their relation to climate change, as well as what are the barriers that may reduce engagement with low-carbon technologies. Her research is interdisciplinary and problem orientated,  she is interested in the use of big data and machine learning tools for evaluating perceptions of sustainable behaviour change

Other research interests include the assessment of collective actions for climate change mitigation and pro-environmental behaviours, perceptions of barriers and co-benefits of climate actions, and implementation of self-regulatory strategies to promote behavioural change.


  • Gaytan Camarillo, M., Ferguson, E., Ljevar, V. and Spence, A. (2021). Big changes start with small talk: Twitter and climate change in times of coronavirus pandemic. Frontiers in Psychology, 12: 2308. doi: 10.3389/fpsyg.2021.661395