As global economies grapple with the dual challenges of environmental degradation and sustainable development, the role of green finance has gained increasing attention. Therefore, this study aims to unfold the impact of green finance on environmental security. Using data from 48 countries from 2020 to 2023, this study explores how green finance initiatives, such as investments in renewable energy, contribute to environmental stability. We collect empirical data from multiple sources, such as the World Development Indicators and the OECD database, and employ regression analysis techniques. The results demonstrate that renewable energy can help combat climate change by reducing carbon emissions from electricity generation. Moreover, a noteworthy connection exists between green investment initiatives and modified savings, suggesting a possible financial and environmental sustainability path.