PNNL

Technology and Policy

Supporting decision makers with science-based information and analysis with complex issues associated with energy, emission and land use trends

Data Products

Data sets that enable research on human and Earth systems, their interactions, projections, and experiments

System Processes and Interactions

Looking at how energy, water, land, economic, and climate systems interact at global and regional levels

Human-Earth System Models

The JGCRI research strategy features integrated assessment modeling.

Tiny Tag for “Untaggable” Fish Wins 2025 R&D 100 Award

PNNL’s SHAD-TAGS+ allows researchers to monitor fish species to help inform energy project development.

Mike Parker

Sam Chatterjee

Dr. Samrat (Sam) Chatterjee is a Senior Data/Operations Research Scientist and Team Leader with the Data Sciences and Machine Intelligence Group at PNNL.

Xingyuan Chen

Yunxiang Chen

Yunxiang Chen is a mathematician in the Computational Mathematics group within PNNL’s Physical and Computational Sciences Directorate.

Jennifer M. Comstock