Table 1. PAGES Core Project Organization

FOCUS I: Global Paleoclimate and Environmental Variability PANASH: Paleoclimates of the Northern and Southern Hemispheres (including the Pole-Equator-Pole [PEP] transects) Activity 1: PEP-1 The Americas Transect Activity 2: PEP-2 Austral-Asian Transect Task 1 - Lake Baikal Task 2 - Himalayan Interdisciplinary Paleoclimate Project (HIPP) Activity 3: PEP-3 Afro-European Transect Task 1 - International Decade of East African Lakes (IDEAL) Task 2 - Paleomonsoons (w/INQUA) Activity 4: The Oceans Task 1 - IMAGES (w/SCOR) Activity 5: PAGES-CLIVAR Interactions Task 1 - Annual Records of Tropical Systems (ARTS) FOCUS II: Paleoclimate and Environmental Variability in Polar Regions Activity 1: Arctic Programme Task 1 - Circum-Arctic Paleo-Environments (CAPE) Task 2 - Nansen Arctic Drilling Project (NAD) Task 3 - Greenland Ice Core Drilling Projects (GISP2 & GRIP) Activity 2: Antarctic Programme (w/SCAR) Task 1 - Antarctic Ice Core Research Task 2 - International Trans-Antarctic Scientific Expedition FOCUS III: Human Interactions in Past Environmental Changes Activity 1: Human Impacts on Fluvial Systems Activity 2: Human Impacts on Terrestrial Ecosystems FOCUS IV: Climate System Sensitivity and Modeling Activity 1: Climate Forcing and Feedbacks Task 1 - Volcanic Influences (w/INQUA) Task 2 - Solar Influences Task 3 - Greenhouse Gases and Aerosol Influences Task 4 - Abrupt Climate Change and Internal Climate System Dynamics Activity 2: Climate Model-Data Intercomparisons Task 1 - Paleoclimate Modelling Intercomparison Project (PMIP) Task 2 - Paleo Multiproxy Analysis and Mapping Project (PMAP) includes: Biome 6000 (with other IGBP Groups) FOCUS V: Cross-Project Analytical and Interpretive Activities Activity 1: Chronological Advances Activity 2: Development of New Proxies Task 1 - Isotope Calibration Study Activity 3: International Paleo-Data System (with the World Data Center-A for Paleoclimatology) Activity 4: REDIE -Regional, Educational and Infrastructure Efforts (with START/IAI)

Acronyms: HDP = Human Dimensions Programme; IAI = Inter-American Institute for Global Change Research; ICSU = International Council of Scientific Unions; INQUA = International Quaternary Association; SCAR = Scientific Committee on Antarctic Research (ICSU); SCOR = Scientific Committee on Ocean Research (ICSU); START = System for Analysis, Research and Training (IGBP, HDP, WCRP)