- Mandi, India Project Center - IQP8
- Melbourne, Australia Project Center - IQP16
- Monteverde, Costa Rica Project Center - IQP17
- Moscow, Russia/Haifa Israel Project Center - IQP1
- Nantucket, Massachusetts Project Center - IQP2
- Panama City, Panama Project Center - IQP4
- Prague, Czech Republic Project Center - IQP2
- Rabat, Morocco Project Center - IQP1
- Reykjavik, Iceland Project Center - IQP3
- San Jose, Costa Rica Project Center - IQP11
- San Juan, Puerto Rico Project Center - IQP14
- Santa Fe, New Mexico Project Center - IQP4
- Taipei, Taiwan Project Center - IQP1
- Thessaloniki, Greece Project Center - IQP1
- Tirana, Albania Project Center - IQP6
- Venice, Italy Project Center - IQP10
- Washington, DC Project Center - IQP3
- Water Resource Outreach Center (Massachusetts) - IQP5
- Wellington, New Zealand Project Center - IQP7
- White Mountains, New Hampshire Project Center - IQP1