The majority of California wildfires from 1984-2017 occurred on hot-dry days, with meteorological conditions contributing to their sizes and changes.

A recently developed laboratory-based technique allows researchers to quantify aerosol absorption from field campaign samples.

Understanding the fundamental relationships between river flow, water exchange, and nutrient cycling can inform ecosystem effects of river regulation.

PNNL and four other national laboratories executed the Hydropower Value Study to examine hydropower operations in different regions of the United States.

Samantha Eaves discusses the future of marine energy and her role with Triton from the Department of Energy Water Power Technologies Office perspective.  

Researchers developed a strategy for quantifying the numerical errors in global simulations of atmospheric clouds and attributing them to components in the computational model.

Scientists at PNNL and the Confederated Tribes of the Colville Reservation identify acres of spawning habitat in the Upper Columbia River.

By improving the detail in representations of turbulence, researchers can more accurately simulate agricultural soil emissions in the atmosphere.

PNNL ocean engineer Alicia Gorton has been invited to serve a three-year term as editor of the Marine Technology Society Journal.

A new decomposition method allows scientists to unravel the atmosphere-ice-ocean interactions that drive Arctic sea ice changes under increasing carbon dioxide levels.

The persistent double-ITCZ bias in Earth system models influences projections of future precipitation in regions that are already under severe water stress.

Easy-to-use web-based version of the “hector” global climate model emulator now available for researchers and Earth science educators.

Scientists devised a new energetic framework that enables them to decipher the patterns of Asian summer rainfall.

Study says planners need to account for climate impacts on renewable energy during capacity development planning to fully understand investment implications to the power sector.

High school students from across Washington State competed in the Pacific Northwest Regional Science Bowl, hosted online by PNNL, for a chance to advance to the national competition in May.

This is a story of how Nikki Sather's career journey studying the pulse of the Pacific Northwest's ecosystems began with a salmon's heartbeat. Sather currently works as an earth scientist at PNNL's Marine and Coastal Research Laboratory.

Seven teams win the U.S. Department of Energy's DESIGN Contest for wave-powered systems to monitor hurricanes—part of the Ocean Observing Prize. PNNL administers the prize with National Renewable Energy Laboratory.

Understanding the Earth as a complex, dynamic system includes investigating what happens on, above and below its surface.

A newly proposed selective interference mechanism explains the periodic behavior in the leading oscillation mode in the Southern Hemisphere storm activity.

A new high-spatiotemporal resolution dataset of convective systems allows researchers to better study warm season storms in the U.S.