Callirius is the regenerative marketplace where nature becomes an asset class. Its mission is to bring private capital directly to effective climate impact through a digital marketplace giving climate solutions access to new funding sources and enterprises & investors access to high-quality nature-based solutions. Quality and impact are defined based on a scalable, data-driven, science-backed, and regulated framework. The Callirius Quality Engine and Due Diligence identify the overall positive impact on climate, nature, and society.