You might consider adding the following scholarly article to your research on consumer awareness campaigns and green packaging:
Peattie, K., & Crotty, S. (2018). Green Marketing: A brief history and future directions. *Journal of Strategic Marketing*, 26(1), 1-18. https://doi.org/10.1080/0965254X.2017.1340456.
This article discusses the evolution of green marketing and its implications for consumer behavior, which could complement your