Welcome to ACRP Atmospheric Composition Research Program (ACRP) was established in October 1998. This is a special program focusing on modeling, process studies, and observations relevant to atmospheric chemistry. Structure Our structure was changed on April 1, 2004. program director: Dr. Hajime Akimoto Groups 1. Chemical transport modeling group Group Leader: Dr. Masaaki Takahashi 2. Greenhouse gases modeling group Group Leader: Dr. Takakiyo Nakazawa 3. Atmospheric composition observation and data analysis group Group Leader: Dr. Hajime Akimoto New information Past observational data available from obsdata site (May 2008) Regional Emission inventory in Asia (REAS) page New data released (April 26, 2006) global chemical weather forecast contact us: Frontier Research Center for Global Change 3173-25 Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan. Tel: +81-45-778-5723 (secretary) Fax: +81-45-778-5496