Organization: Center for Clean Air Policy Position Title: International Policy Summer Internship Location: Washington DC Hours and Compensation: Paid. Application Deadline: Not listed.   INTERNSHIP DESCRIPTION: he Center for Clean Air Policy (CCAP) has an opening for a graduate-level international policy summer internship based in Washington, D.C. Since 1985, CCAP has been a recognized world leader in climate and … Continue reading International Policy Summer Internship-Washington DC.