1. The document discusses the design of a metadata scheme for describing data that is at risk of being lost, unused, or destroyed. 2. It outlines the major questions and principles that informed the design, including what essential metadata is needed to aid in data rescue efforts across scientific disciplines. 3. The proposed metadata scheme is described which includes elements like research area, physical form of data, content and context, current holder, dates, and risk level. A case study testing the scheme is also summarized.