Abstract
This study explores the role of willingness and membership in global environmental engagement, focusing on how these factors influence environmental action across diverse global populations. Using a combination of latent class analysis and logistic regression models, we examine the impact of the willingness to contribute financially, environmental membership, and trust in people, alongside demographic variables such as gender, age, and education level. Our findings highlight the significant role of environmental membership and the willingness to act in shaping behaviours, with gender and trust further influencing engagement patterns. This promotes the UN's sustainable goals, primarily Climate Action. These insights contribute to understanding the drivers of environmental activism globally.