A new effort to reconstruct Earth’s climate since the last ice age, about 24,000 years ago, highlights the main drivers of climate change, and how far out of bounds human activity has pushed the climate system.
Ice core data from Greenland shows why air pollution is dropping more slowly than sulfur emissions reductions. As cloud droplets become less acidic, the chemical reaction that turns sulfur dioxide into sulfate aerosol gets more efficient. The new results can improve the models that project air quality and climate change.
Four ºÚÁϳԹÏÍø faculty members have been inducted into the American Academy of Arts & Sciences.
As carbon dioxide continues to rise, multiple changes in the leaves of tropical plants may help these ecosystems perform better under climate change than previous studies had suggested.
A new method to rate tornado warnings shows that nighttime tornadoes in the U.S. have a lower probability of detection and a higher false-alarm rate than other events. Summertime tornadoes, occurring in June, July or August, also are more likely to evade warning.
A model based solely on the past 40 years of weather events uses 7,000 times less computer power than today’s weather forecasting tools. An A.I.-powered model could someday provide more accurate forecasts for rain, snow and other weather events.
New research reveals significant changes to the circulation of the North Pacific and its impact on the initial migration of humans from Asia to North America. It provides a new picture of the circulation and climate of the North Pacific at the end of the last ice age, with implications for early human migration.
A ºÚÁϳԹÏÍø meteorologist joins a national board for atmospheric research, an English professor’s story is honored and a Jackson School faculty member helps with research for a PBS show.
The biggest study yet of West Coast wildfire plumes shows how a smoke plume’s chemistry changes over time. Results suggest current models may not accurately predict the air quality downwind of a wildfire.
Climate science has focused on avoiding false alarms when linking extreme weather to climate change. But when meteorologists warn of hazardous weather, they include a second key measure of success — the probability of detection.
Atmospheric nitrogen dioxide, which comes from transportation, was half of what would be expected over China in February 2020. Other emissions and cloud properties, however, showed no significant changes.
A new study led by the ºÚÁϳԹÏÍø and the University of Leeds uses satellite data over the Southern Hemisphere to understand the makeup of global clouds since the Industrial Revolution. This research tackles one of the largest uncertainties in today’s climate models — the long-term effect of tiny atmospheric particles on climate change.
Research projects funded for 2020 by EarthLab’s Innovation Grants Program will study how vegetation might reduce pollution, help an Alaskan village achieve safety and resilience amid climate change, organize a California river’s restoration with tribal involvement, compare practices in self-managed indigenous immigrant communities and more.
A new study looks at temperature increases in counties across the United States where crops are grown. It also looks at different strategies the industry could adopt to protect workers’ health.
Years of cloud data over a shipping route between Europe and South Africa shows that pollution from ships has significantly increased the reflectivity of the clouds. More generally, the results suggest that industrial pollution’s effect on clouds has masked about a third of the warming due to fossil fuel burning since the late 1800s.
The ºÚÁϳԹÏÍø has long boasted one of the country’s top programs in atmospheric sciences. Now, the ºÚÁϳԹÏÍø is also teaching undergraduates how to share that knowledge online and on TV as a broadcast meteorologist.
To better understand large, disruptive snowstorms, a ºÚÁϳԹÏÍø atmospheric scientist will lead a NASA field campaign this winter to fly through major snowstorms along the East Coast. The multi-institutional team will observe snow as it forms in clouds to help with satellite monitoring of snowfall and ultimately improve forecasts.
The ºÚÁϳԹÏÍø’s Abigail Swann is honored by Science News on its list of 10 promising early- and mid-career scientists.
Two ºÚÁϳԹÏÍø researchers — Bonnie Light, a principal physicist at the ºÚÁϳԹÏÍø’s Applied Physics Laboratory and an affiliate associate professor of atmospheric sciences, and Madison Smith, a recent ºÚÁϳԹÏÍø graduate who is now doing her postdoctoral research at the ºÚÁϳԹÏÍø — will join for the fifth of the six two-month legs, in summer 2020.
Three ºÚÁϳԹÏÍø graduate students are among this year’s recipients of a prestigious NASA fellowship that funds student research projects in the fields of Earth and planetary sciences and astrophysics.
Analyzing the full life cycle of long-term droughts and how they relate to El Niño and La Niña conditions in the Pacific Ocean could eventually lead to better prediction of damaging, multiyear droughts in the Southwestern U.S.
Eight scientists and engineers from the ºÚÁϳԹÏÍø have been elected this year to the Washington State Academy of Sciences.
Chris Bretherton, a professor of atmospheric sciences and of applied mathematics, has been elected to the National Academy of Sciences.
A ºÚÁϳԹÏÍø team placed first in a national weather forecasting contest that began in September. A ºÚÁϳԹÏÍø graduate student also developed a model that for the first time beat out all human competitors.
A ºÚÁϳԹÏÍø-led study provides a fuller picture of the relationship between nitrogen oxides — the tailpipe-generated particles at the center of the Volkswagen scandal, also known as NOx, — and PM2.5, the microscopic particles that can lodge in lungs.
Research by ºÚÁϳԹÏÍø’s Stephen Warren suggests that some icebergs are green because they contain frozen, iron-rich seawater from certain regions of East Antarctica.
Nick Bond, Washington’s state climatologist, comments on the unusual weather in Western Washington.
ºÚÁϳԹÏÍø atmospheric scientists leave next week for a six-week field campaign in South America to study the most intense storms on the planet.
Washington state climatologist Nick Bond explains what our upcoming El Niño winter means for the Pacific Northwest.
When levels of carbon dioxide in the atmosphere rise, most plants do something unusual: They thicken their leaves. Now two ºÚÁϳԹÏÍø scientists have shown that this reaction by plants will actually worsen climate change by making the global “carbon sink” contributed by plants was less productive.
Recent notable books by ºÚÁϳԹÏÍø authors tell of the struggle to break free of racism in higher education, taking an “urban diary” approach to documenting city life and more.
Observations over the eastern U.S. show why emissions reductions haven’t achieved the same results in winter as they have in summer.
New research suggests the Atlantic Ocean is transitioning back to its slower phase, which means average global air temperatures will go back to rising more quickly.
A study of global maize production in 2100 shows dramatic increases in the variability of corn yields from one year to the next under climate change, making simultaneous low yields across multiple high-producing regions more likely, which could lead to price hikes and global shortages.
If an entire forest dies, new research shows, it has ricocheting effects in the atmosphere that can affect vegetation on the other side of the country.
ºÚÁϳԹÏÍø twice each decade, the United Nations’ Intergovernmental Panel on Climate Change, or IPCC, looks at what is known about the science of climate change, the extent to which human activities are changing the Earth’s climate, and what risks these changes pose to human and natural systems. Organized into three working groups, each assessment is a years-long international effort that lays out the current understanding, projections for change over this century and options to manage the challenges ahead. The most…
ºÚÁϳԹÏÍø atmospheric sciences faculty and graduate students are in Tasmania studying how clouds form over Antarctica’s Southern Ocean.
New faculty member Shuyi Chen answers some questions about hurricane science, hurricane forecasting and the 2017 storm season.
More than a decade of lightning strikes over the Indian Ocean shows for the first time that ship exhaust along major shipping routes alters thunderstorm intensity.
This exceptional, sudden nosedive in Antarctic sea ice last year was due to a unique one-two punch from atmospheric conditions both in the tropical Pacific Ocean and around the South Pole.