Ira Feldman is a US-based sustainability leader positioned at the leading edge of the convergence of sustainability, climate adaptation and ecosystem services. As a practitioner, policymaker, standards developer and academic, Ira has led a diverse range of environmental and climate initiatives. In the legal arena, he previously served as special counsel at US EPA headquarters and as chair of the ABA’s climate and sustainability committee.His work has explored the role of ES&G factors in the financial sector; the implications of “soft law” or “private law” – especially international voluntary standards — for business and government; the use of Public-Private Partnerships (PPP) to advance sustainable development and resilience; and the emergence of blockchain governance.