1. Climate Change Science Program Climate Policy & Voluntary Programs Mercury & Water Quality Pesticides & Other POPs Local & Regional Air Quality Intercontinental Transport & Hemispheric Air Pollution Climate Change & Variability NAAQS Review NAAQS Implementation Regional Haze Integrated Environmental Strategies Global Earth Observing System of Systems International Cooperation & Border Programs

2. Strategic Planning to Address the International Transport of Air Pollutants Science & Assessment International Policy Implications & Actions Communication & Coordination

3. Science & Assessment Needs Assessments –Model Applications, Data Analysis, Impact Assessment Monitoring –Ambient Air, Deposition, Other Media Emissions Inventories & Control Costs Model Development & Environmental Process Research

4. International Policy Implications & Actions Tools & Methods Development Global Programs –POPs, Mercury Regional Programs –Canada, Mexico, North America –Central America & Caribbean –Europe and the LRTAP Convention –Asia –Arctic

5. Communication & Coordination Internal EPA Coordination & Training US Government Interagency Coordination Leadership in the Broader Community –Scientific Community –International Policy Community –Private Sector Leadership