This document describes SEAD, a set of lightweight data services to help sustainability researchers manage, share, and preserve their data. SEAD offers a secure project space to work privately with data, services to publish data and get DOIs to ensure the longevity of data, and tools to connect researchers and help them get credit for their work including profiles, networking visualizations, and metrics of research impact. It also provides data discovery resources to find relevant published data through faceted search and geospatial tools to view and interact with location-based data on maps.