Atmospheric Sciences Division http://www.ecd.bnl.gov
Atmospheric Sciences Division of Brookhaven National Laboratory, USA. 30 scientists working mainly in atmospheric chemistry, the site provides links to personnel, publications, and research activities.
Carbon Dioxide Information Analysis Center (CDIAC) http://cdiac.esd.ornl.gov/
Global-change data and information analysis for the US Department of Energy (DOE). Compiles and maintains extensive international data sets on atmospheric chemistry, particularly atmospheric concentrations of carbon dioxide, methane & other radiatively active gases.
Centre for Atmospheric Chemistry (CAC) http://www.cac.yorku.ca/
At the University of York, Ontario, CAC was formed to foster cooperative research in atmospheric chemistry, to take a leading role in Canada in the education of a new generation of qualified atmospheric chemists, and to provide a communications link between York atmospheric chemists and the national and international atmospheric chemistry community.
EMEP http://www.emep.int/
Co-operative programme for the monitoring and evaluation of the long range transmission of air pollutants in Europe.
EUROTRAC-2 http://www.gsf.de/eurotrac/
The EUREKA atmospheric environmental project on the Transport and Chemical Transformation of Environmentally Relevant Trace Constituents in the Troposphere over Europe.