The interactions between aerosols, clouds and precipitation in the climate system are the largest uncertainties in the estimation of anthropogenic climate forcing and climate sensitivity. Recent developments in process understanding, modeling, and observational capabilities make it now possible to address long-standing and fundamental questions in this field. ACPC has been established to facilitate and enable international and interdisciplinary research in this field.

The goal of the ACPC research program is to obtain a quantitative understanding of the interactions between the aerosol, clouds and precipitation, and their role in the climate system. ACPC was jointly initiated by the IGBP  (International Geosphere-Biosphere Programme) core projects iLEAPS (Integrated Land Ecosystem Atmosphere - Processes Study) and IGAC (International Global Atmospheric Chemistry project), and the WCRP (World Climate Research Programme) core project GEWEX (Global Energy and Water Cycle Experiment).

ACPC related documents, research articles and the ACPC white paper are available for download under Documents.

The ACPC mailing list, This e-mail address is being protected from spambots. You need JavaScript enabled to view it , is aimed at those interested in and working on issues related to aerosol-cloud-precipitation-climate interactions.