Northern Eurasia, the largest landmass in the northern extratropics, accounts for ~20% of the global land area. However, little is known about how the biogeochemical cycles, energy and water cycles, and human activities specific to this carbon-rich, cold region interact with global climate. A major concern is that changes in the distribution of land-based life, as well as its interactions with the environment, may lead to a self-reinforcing cycle of accelerated regional and global warming. With this as its motivation, the Northern Eurasian Earth Science Partnership Initiative (NEESPI) was formed in 2004 to better understand and quantify feedbacks between northern Eurasian and global climates. The first group of NEESPI projects has mostly focused on assembling regional databases, organizing improved environmental monitoring of the region, and studying individual environmental processes. That was a starting point to addressing emerging challenges in the region related to rapidly and simultaneously changing climate, environmental, and societal systems. More recently, the NEESPI research focus has been moving toward integrative studies, including the development of modeling capabilities to project the future state of climate, environment, and societies in the NEESPI domain. This effort will require a high level of integration of observation programs, process studies, and modeling across disciplines.

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UCAR, NOAA/National Climatic Data Center, Asheville, North Carolina

University of Washington, Seattle, Washington

Voeikov Main Geophysical Observatory, St. Petersburg, Russia

Georgia Institute for Technology, Atlanta, Georgia

University of Idaho, Moscow, Idaho

Friedrich Schiller University, Jena, Germany

University of Toledo, Toledo, Ohio

USDA Forest Service, Arlington, Virginia

Aspen Global Change Institute, Aspen, Colorado

Oregon State University, Corvallis, Oregon

Finnish Meteorological Institute, Helsinki, Finland

National Institute for Environmental Sciences, Tsukuba, Japan

The H. John Heinz III Center for Science, Economics, and the Environment, Washington, D.C.

Michigan State University, East Lansing, Michigan

University of Alaska, Fairbanks, Alaska

Gamma Remote Sensing, Giimligen, Switzerland

University of New Hampshire, Durham, New Hampshire

Hokkaido University, Sapporo, Japan

University of Virginia, Charlottesville, Virginia

Forest Institute, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia

Princeton University, Princeton, New Jersey.