Halogens in the Troposphere Task Team

International Ocean Carbon Coordination Project

Global Carbon Project

Global Atmosphere Watch

The Global Ocean Observing System

COST Action 735

http://www.HitT-task.net/

http://www.ioccp.org

http://www.globalcarbonproject.org

http://www.wmo.ch/web/arep/gaw/gaw_home.html

http://ioc.unesco.org/goos/

http://www.cost.esf.org/index.php?id=205&action_number=735