Exploring the Intersections of Earth Science
The Global Carbon Cycle
Carbon cycling, the greenhouse effect, fossil fuels, land management practices, and more
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Atmospheric Composition and Processes
Atmospheric composition, air quality, ozone-layer depletion, chemical and radiative exposure, aerosols, cloud physics, and more
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Climate Variability and Change
Climate variability and predictability, climate events, satellite calibration and validation, climate change, and more
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The Global Water Cycle
Precipitation, the water cycle, oceanography, cryosphere, and more
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Top Stories
Uncommon Trends: Progress and Challenges in Extending Climate Knowledge Over the Common Era
Prof. Julien Emile-Geay University of Southern California Monday April 27, 2026, 2:30 PM ET Abstract: The shortness of the instrumental record imposes fundamental limits
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About the Earth System Science Interdisciplinary Center (ESSIC)
The Earth System Science Interdisciplinary Center seeks to understand the relationships between Earth’s atmosphere, oceans, land masses and biosphere, with an eye to the influence of human activities on Earth’s coupled systems.