The present study seeks to examine the genesis, development, and proliferation of multilateral environmental agreements (MEAs) in-built law-making mechanisms and processes of institutionalization and their ad hoc treaty-based status and the issue of the legal personality of their secretariats. It provides legal understanding of the location of MEA secretariats within an existing international host institution, as well as discussion of the issue of relationship agreements and interpretation of the commonly used language that triggers such relationships. It places under scrutiny the standard...