"Block chain technology is one of many emerging technologies that have the potential to solve some of the environmental problems we face today. Applications of block chain to address environmental issues revolve around: monitoring and tracking supply chains, innovative financial instruments, peer-to-peer trading of tokenized assets, enabling decentralized energy systems, and common-pool resources. Applications of block chain technology could be useful in ensuring compliance with Multilateral Environmental Agreements (MEAs) and progress on the Sustainable Development Goals (SDGs) implementation"--