The Arctic sea ice extent has decreased in all seasons. Credit: Shaoqing Wang Accumulated heat in the upper ocean is at record levels, again! The…
Posts published in “Atmospheric Science”
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Theory and simulations reveal why seemingly weak effects sometimes play a strong role in how particles move through the air close to the Earth’s surface.…
Yuzhen Yan in Antarctica in December 2015. Credit: Yuzhen Yan Glacial erosion likely caused atmospheric oxygen levels to dip over past 800,000 years. An unknown…
A rock sample used to reexamine Earth’s pre-GOE “whiff of oxygen” spans the Archean and Paleoproterozoic time periods. This illustration depicts what the Earth might…
Black carbon particles are spread throughout our atmosphere, produced by the burning of fuels or industrial processes. Credit: NASA’s Goddard Space Flight Center Scientific Visualization…
Atacama desert photographed from the airplane. Credit: Sam Hall New CU Boulder study shows iodine from desert dust can decrease ozone air pollution but could…
Most of the methane gas emitted from Amazon wetlands regions is vented into the atmosphere via tree root systems – with significant emissions occurring even…
December 1, 2021 This coupling of the atmosphere and ocean alters atmospheric circulation and jet streams in ways that intensify rainfall in some regions and…
Ozone 101 is the first in a series of explainer videos outlining the fundamentals of popular Earth science topics. Let’s back up to the basics…
North of Norway over the Norwegian and Greenland Seas, a magnetic bubble known as the cusp surrounds Earth and dips inward. Some air in the…
Scientists have provided new insights into how intense thunderstorms drive the injection of water vapor from the troposphere — the atmospheric layer closest to Earth’s…
Worldwide restrictions during the COVID-19 pandemic caused huge reductions in travel and other economic activities, resulting in lower emissions. Seen here, almost-empty highways in Colombia…
NASAEstablished in 1958, the National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government that succeeded the National Advisory…
Roger Buick in 2004 at the Mount McRae Shale in Western Australia. Rocks drilled near here show “whiffs” of oxygen occurred before the Great Oxidation…
Most consumers want to make food purchases that are smart for their wallets, their health, and the environment. And while switching to a vegetarian or…
The consumption of G20 nations was responsible for 78,000 premature deaths of infants worldwide. Credit: NIES Japanese and Australian researchers show the number of premature…
The 2021 Antarctic ozone hole reached its maximum area on October 7 and ranks 13th-largest since 1979, scientists from NASA and NOAA reported on October…
The International Methane Emissions Observatory (IMEO) is releasing its first annual report on Sunday, October 31, 2021. The release coincides with the G20 Summit in…
[embedded content]January 1 – October 7, 2021 A colder than usual winter atmosphere over the Southern Hemisphere led to a deep and larger-than-average ozone hole…
Cosmic ray showers in the atmosphere may be important for cloud formation. Credit: DTU Space Large Effect of Solar Activity on Earth’s Energy Budget This…