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Emissions of potent greenhouse gas have grown, contradicting reports of huge reductions


Despite reports that global emissions of the potent greenhouse gas, HFC-23, were almost eliminated in 2017, an international…
Thanks to clouds, latest climate models predict more global warming than their predecessors

January 8, 2020

Researchers at Lawrence Livermore National Laboratory (LLNL) in collaboration with colleagues from the University of Leeds and Imperial College London have found that the…
NASA Embarks on Five U.S. Expeditions Targeting Air, Land and Sea

November 27, 2019

NASA is sending five airborne campaigns across the United States in 2020 to investigate fundamental processes that ultimately…
Where Liquid Meets Air: Unearthing How Air Pollutants Form

November 14, 2019

Scientists offer new clues about importance to climate of water, light, and particle surfaces Global climate change is…
Flying bird. Image credit: Pxhere, CC0 Public Domain
2019 Ozone Hole is the Smallest on Record Since Its Discovery

October 22, 2019

Abnormal weather patterns in the upper atmosphere over Antarctica dramatically limited ozone depletion in September and October, resulting…
Making atmospheric chemistry modeling more accessible

October 14, 2019

Global modeling of the atmosphere’s chemistry requires immense computational resources to study how particles form and are processed.…
Nuclear Winter Would Threaten Nearly Everyone on Earth

August 29, 2019

If the United States and Russia waged an all-out nuclear war, much of the land in the Northern…
Trees Adapt to Changes Caused by Climate Change

August 16, 2019

Research from the University of New Hampshire finds that the increase in carbon dioxide (CO2) emitted into the…
More sensitive climates are more variable climates, research shows

July 23, 2019

A decade without any global warming is more likely to happen if the climate is more sensitive to…
Tropical soil disturbance could be hidden source of CO2

June 25, 2019

Thousand-year-old tropical soil unearthed by accelerating deforestation and agriculture land use could be unleashing carbon dioxide into the…
Carbon hides in sediment, keeping oxygen in atmosphere

June 17, 2019

A new study by researchers at the Woods Hole Oceanographic Institution and Harvard University may help settle a long-standing question:…
Old ice and snow yields tracer of preindustrial ozone

June 13, 2019

Using rare oxygen molecules trapped in air bubbles in old ice and snow, U.S. and French scientists have…
Konstantinos P. Giapis with his reactor that converts carbon dioxide to molecular oxygen.
Comet Inspires Chemistry for Making Breathable Oxygen on Mars

May 28, 2019

Science fiction stories are chock full of terraforming schemes and oxygen generators for a very good reason—we humans…
How Atmospheric Sounding Transformed Weather Prediction

May 3, 2019

In the late 1950s, a scientist named Lewis Kaplan divined a new and groundbreaking way to calculate temperature…
In pursuit of an instrument that could detect a methane-cleansing chemical in the atmosphere, a Goddard team discovered that its instrument was highly sensitive to ozone, a tropospheric pollutant. Here, Goddard instrument engineer Andrew Swanson and scientist Reem Hannun are shown with the instrument now slated for an aircraft campaign this summer. Credits: NASA/W. Hrybyk
NASA Instrument to More Accurately Measure Ozone Discovered by “Accident”

May 1, 2019

NASA research scientist Tom Hanisco set out to build an instrument capable of measuring a short-lived chemical that…
Ice Ages triggered when tropical islands and continents collide

April 15, 2019

University of California scientists think they know why Earth’s generally warm and balmy climate over the past billion…
Sounding Rocket Mission Will Trace Auroral Winds

April 9, 2019

Editor’s note, April 8, 2019: The Auroral Zone Upwelling Rocket Experiment or AZURE mission was successfully conducted April…
Is it true that air is 21 % oxygen? For most of us – not really

March 30, 2019

In school you learn that the air you are breathing contains 21 % oxygen, 78 % nitrogen and…
Sounding Rocket Mission Will Trace Auroral Winds

March 22, 2019

Editor’s note: On March 23, 2019, the launch window for the AZURE mission will reopen after several attempts…
New climate model evaluation method can help to predict more accurate future change

March 19, 2019

Combining a new evaluation technique for climate models with observations could reduce the uncertainty in predicting future change.…
Measuring cloud supersaturation improves the model predictability of atmospheric aerosols

March 7, 2019

Experts who study tiny, airborne particles in the atmosphere have discovered a new parameter that should improve climate…
Did You Know the Earth’s Atmosphere Extends Beyond the Orbit of the Moon?

February 21, 2019

Strictly speaking, there aren’t strict boundaries between Earth and space. Our atmosphere doesn’t just end at a certain…
Adding a splash of color, history to weather

February 18, 2019

Water can be a blessing or a curse. In nature, the shortage of water can cause droughts and…
Professor of Atmospheric Chemistry at the University of Leeds Dwayne Heard, third from left, recently visited Sandia National Laboratories’ Combustion Research Center. From left, Craig Taatjes, Rebecca Caravan, Heard, Lenny Sheps, David Osborn and Judit Zador. (Photo by Dino Vournas/Sandia)
Digesting hydrocarbons

February 9, 2019

Sandia research investigates how organic reactions affect Earth’s atmosphere Volatile organic compounds can be found in the air…
Predicting Urban and Coastal Microclimates

January 30, 2019

A mobile laboratory containing sensors that measure wind speed and direction, air quality, precipitation, and other atmospheric variables…
Earth’s magnetosphere, showing the northern and southern polar cusps (illustration). Credits: Andøya Space Center/Trond Abrahamsen
To Catch a Wave, Rocket Launches From Top of World

January 30, 2019

On Jan. 4, 2019, at 4:37 a.m. EST the CAPER-2 mission launched from the Andøya Space Center in…
Polar vortex unleashes bitter cold

January 24, 2019

Winter is here. Millions of people across the United States are dealing with dangerously low temperatures following a…
Loss of snowpack from global warming likely to accelerate in coming decades

January 16, 2019

A new study has found that changes in the atmospheric circulation since the 1980s have offset most of…
Melting ice sheets release tons of methane into the atmosphere, study finds

January 8, 2019

The Greenland Ice Sheet emits tons of methane according to a new study, showing that subglacial biological activity…
Biology—Methane mystery solved

December 4, 2018

Scientists at Oak Ridge National Laboratory have confirmed that methane-producing microorganisms known as methanogens are responsible for the…
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