• PsyLoCo – Psychosoziale Bedarfe von Patient*innen mit Long-COVID (Förderer: Bundeministerium für Bildung und Forschung (BMBF), Laufzeit: 2022 – 2024)
• PsyPan - Stärkung der Pandemie-Resilienz im Feld der psychischen Gesundheit mittels Tele-Psychotherapie und digitalen Präventionsangeboten in Sachsen-Anhalt (Förderer: Land Sachsen-Anhalt, Laufzeit: 2022 – 2026) 

Wallis, H., Sieverding, T., Schmidt, K. & Matthies, E. (2022). #fighteverycrisis: A Psychological Perspective on Motivators of the Support of Mitigation Strategies in the Climate Crisis and the COVID-19 Pandemic. Journal of Environmental Psychology, 84.  https://doi.org/10.1016/j.jenvp.2022.101898

Wallis, H., Holzen, V., Sieverding, T., Matthies, E., & Schmidt, K. How do appraisal as threat or challenge, efficacy, and environmental quality affect well-being in the COVID-19 pandemic?. Frontiers in Psychiatry, 13, 2891. https://doi.org/10.3389/fpsyt.2022.1009977

Wallis, H. & Loy, L.S. (2021). What drives Pro-Environmental Activism of Young People? A Survey Study on the Fridays For Future Movement. Journal of Environmental Psychology, 74, 1–10.  https://doi.org/10.1016/j.jenvp.2021.101581.

Wallis, H., Bamberg, S., Schulte, M., & Matthies, E. (2021). Empowering people to act for a better life for all: Psychology’s contributions to a social science for sustainability. European Psychologist, 26(3), 184. https://doi.org/10.1027/1016-9040/a000436

Wallis, H., & Klöckner, C. (2020). The transmission of energy-saving behaviors in the family: A multilevel approach to the assessment of aggregated and single energy-saving actions of parents and adolescents. Environment and Behavior, 52(3), 275-304. https://doi.org/10.1177/00139165188023