In a 10-day experience-sampling study (N = 7,161 observations from N = 181 adults in 14 countries) I found that pro-environmental behavior is positively associated with well-being both within- and between-persons. Then, in a randomized experiment (N = 545 U.S. undergraduates) I found that incorporating proenvironmental behavior into individuals’ daily activities increased happiness and a sense of meaning in life. Indeed, the effect was comparable to incorporating activities selected specifically to elicit such positive states.
A person's evaluative judgments often affect the emotions that they attribute to others. For example, people think that someone living an immoral life isn’t truly happy. But what explains this effect? In six studies, we find that it is not because such emotions are thought to be unfitting (i.e., not called for or merited by the situation). Instead, the answer has to do with beliefs about the true self. When, for example, an immoral person appears to be happy, people think that, deep down in the person's true self, they are not experiencing happiness.
(Prinzing, Le Nguyen & Fredrickson, 2023, Journal of Personality and Social Psychology)
Pleasantness and meaningfulness are sometimes seen as opposing pursuits. Yet, in four longitudinal studies (three observational, one randomized experiment), we find that coexperienced pleasant states that are characterized by mutual care and synchrony are experienced as particularly meaningful in the moment and, over time, build social resources (e.g., supportive relationships and communities) that foster an enduring sense of meaning in life.
When people expect pro-environmental behaviors (PEBs) to improve well-being, they tend to have more positive attitudes towards PEBs, stronger intentions to engage in PEBs, and actually do engage in PEBs more frequently. Additionally, messages about how PEB can increase well-being improves attitudes towards PEBs and made people more persuasive in their subsequent efforts to encourage others to live sustainably.