Skip to Main Content U.S. Department of Energy
Atmospheric Sciences and Global Change
  • black carbon emission sources

    Soot Estimated from Diesel Burning in Russian Arctic

    A team from PNNL's Joint Global Change Research Institute led a detailed assessment of diesel emissions in the populous Murmansk Region of Russia by surveying vehicles and traffic, and collecting data from other significant sources. They found that while on-road transportation is a major source of city diesel soot emissions, mining industry off-road vehicles are the largest source in the region due to both large diesel consumption and lack of emissions controls.

  • Nazar Kholod

    Cleaner Exhaust for a Cleaner Arctic

    Congratulations to Nazar Kholod and Meredydd Evans of PNNL who conducted a pilot project to understand how upgrading an agingbus fleet in Murmansk, Russia affectedsoot emissions in the region. Their work culminated in a brochure that explains how the newer, cleaner buses made significant improvements in air quality, human health, and climate.

  • southern ocean phytoplankton clouds

    Sea Critters Rule the Clouds

    A study of clouds over the world's remotest ocean shows that ocean life is responsible for up to half the cloud droplets that pop in and out of existence during summer. Led by PNNL, scientists revealed how tiny natural particles given off by marine organisms nearly double cloud droplet numbers in the summer, which boosts the amount of sunlight reflected back to space.

  • 2013 Sichuan Flood event

    Air Pollution Amplified Historic Flood in China

    PNNL researchers and collaborators found that heavy air pollution over the Sichuan Basin boosted the catastrophic 2013 Sichuan flood in southwest China. Tiny, heat absorbing particles from heavy air pollution stabilized the atmosphere and suppressed local daytime storms. However, this allowed heavy moist and now warm air to be transported downwind to mountainous areas where it was lifted causing extreme nighttime rainfall.

  • Manish Shrivastava and Joel Thornton

    Workshop Shows the Sky's the Limit on Atmospheric Particle Research

    PNNL's Dr. Manish Shrivastava and University of Washington's Prof. Joel Thornton led a roll-up-your-sleeves workshop to tackle secondary organic aerosol (SOA). The first of its kind to solely address SOA, the workshop brought 23 top scientists from universities, national laboratories, and research organizations to Pacific Northwest National Laboratory. The workshop was sponsored by the U.S. Department of Energy's Atmospheric System Research program.

How do human activities and natural systems interact to affect the Earth's climate? Ultimately, that is the question challenging scientists in PNNL’s Atmospheric Sciences & Global Change Division.

Read more about our organization.   [+ expand/ - collapse]

Atmospheric Sciences & Global Change

Seminar Series

Fundamental & Computational Sciences