In order to combat climate change and accelerate the shift to a greener economy and ensure an equitable future for humanity as a whole, green financing is crucial. Every religion has beliefs designed to uphold mankind and support a healthy environment. Similar to this, Jainism has multiple siddhants that supports the same. The complex connection between philanthropy and green finance is explored in this study, with a focus on the substantial impact of Jain Siddhant, the traditional ethical precepts of Jainism. This study is guided by the key ideals of Ahimsa (non-violence), Aparigraha (non-possessiveness), and Anekantavada (many viewpoints). The main objective of this study is to assess the impact of Jain Siddhant—influenced philanthropy on environmental conservation. The research employs the indigenous method to study the ancient Jain scriptures that talk about the doctrines, ideal for green financing. The secondary data was collected through qualitative method and the most prominent themes were analyzed using NVivo. The results of this study add to the conversation on ethical contributions in the context of green finance. This exploration of Jain Siddhant highlights the enduring relevance of ancient ethics in modern environmental conservation, demonstrating how philanthropy is crucial for a sustainable future.