Green bonds and impact investing as financing mechanisms for the circular economy

The transition to a circular economy is increasingly recognized as a strategic pathway for addressing environmental degradation, resource scarcity, and climate change. However, the financing of circular economy projects remains a major constraint due to high capital requirements and perceived investment risks. This study examines green bonds and impact investing as alternative financing mechanisms for supporting circular economy initiatives. Using a qualitative review of secondary data from international institutions, market reports, and selected case studies, the paper analyzes market trends, investment scope, and key challenges associated with these instruments. The findings indicate that green bonds and impact investing play a growing role in mobilizing capital for circular economy projects, particularly in waste management, renewable energy, and sustainable infrastructure. Nonetheless, issues such as greenwashing, lack of standardized reporting frameworks, and transaction costs continue to limit their effectiveness. The study contributes to the literature on sustainable finance by highlighting policy and market measures needed to scale green financing for circular economic transformation.