1. Background: 1.1 Supporting EPA's Top Priorities 1.2 An EPA EA Roadmap 1.3 Solution Architecture 2010 1.4 My List of Action Items 1.5 EPA’s OGD Workgroup 1.6 EPA’s New Social Media Policy 2. EPA’s One Wiki: 2.1 Initial Impressions 2.2 The Environment in Wikipedia 2.3 Web 2.0 Whitepaper Pilot Wiki 2.4 Information / Data Model 2.5 Sheetster for Data.gov/semantic 3. Recommendations