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Earth Sciences May 5, 2023

Study reveals presence of Hunga Tonga eruption aerosols in Northern Hemisphere stratospheric westerlies

An international team led by researchers from the Institute of Atmospheric Physics (IAP) of the Chinese Academy of Sciences has detected aerosols from the Hunga Tonga eruption in the Northern Hemisphere stratospheric westerlies ...

Environment Apr 20, 2023

Nitrous oxide: Why the environment isn't amused about laughing gas

A young man breathes deeply from a gas-filled bag. He begins to feel a pleasurable sensation "particularly in the chest and extremities" before dancing around and then collapsing in a heap. A few minutes later he comes to ...

Astrobiology Apr 18, 2023

Metal-poor stars are more life-friendly, suggests study

Stars that contain comparatively large amounts of heavy elements provide less favorable conditions for the emergence of complex life than metal-poor stars, as scientists from the Max Planck Institutes for Solar System Research ...

Earth Sciences Apr 9, 2023

Research finds global emissions of several banned ozone-destroying chemicals are increasing

New analysis has found increasing emissions of several ozone-depleting chemicals despite their production being banned for most uses under the Montreal Protocol—and a loophole in the rules is likely responsible.

Earth Sciences Apr 3, 2023

Ozone-depleting CFCs hit record despite ban: Study

Their power to dissolve the ozone layer shielding Earth from the Sun prompted a worldwide ban, but scientists on Monday revealed that some human-made chlorofluorocarbons have reached record levels, boosting climate-changing ...

Environment Mar 21, 2023

Leading ozone scientist says more climate surprises likely

Susan Solomon, a leading scientist in the fight to tackle the Antarctic ozone hole, says people are now getting worried enough to spur climate action.

Environment Mar 11, 2023

Massive Australia wildfires increased Antarctic ozone hole: Study

Smoke from monster wildfires in Australia caused a chemical reaction that widened the ozone hole 10 percent, researchers said Wednesday, raising fears that increasing forest fires could delay the recovery of Earth's atmospheric ...

Earth Sciences Mar 9, 2023

Bushfire smoke eats up the ozone protecting us from dangerous radiation—the damage may increase as the world heats up

Can bushfire smoke reduce the concentration of ozone in the stratosphere? A decade ago, we might have been skeptical. But there's a growing body of research showing a clear link.

Earth Sciences Mar 8, 2023

Study: Smoke particles from wildfires can erode the ozone layer

A wildfire can pump smoke up into the stratosphere, where the particles drift for over a year. A new MIT study has found that while suspended there these particles can trigger chemical reactions that erode the protective ...

Planetary Sciences Mar 6, 2023

Ozone-measuring instrument on NOAA-21 satellite captures first image

On February 9, 2023, an ozone-measuring instrument on the recently launched NOAA-21 satellite opened its doors and, over the course of a week, gathered data for its first global image. The Ozone Mapping and Profiler Suite ...

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