Mars wasn't always the cold desert we see today. There's increasing evidence that water once flowed on the red planet's surface, billions of years ago. And if there was water, there must also have been a thick atmosphere ...
Planetary Sciences
Sep 25, 2024
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106
The goal of the 2021 Global Methane Pledge is bold: cut methane emissions by 30% by the end of the decade. This is to buy us vital time to work on cutting carbon dioxide emissions. Over 150 nations have now signed up to the ...
Environment
Sep 10, 2024
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1
NASA's newest climate mission has started collecting data on the amount of heat in the form of far-infrared radiation that the Arctic and Antarctic environments emit to space. These measurements by the Polar Radiant Energy ...
Earth Sciences
Sep 3, 2024
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47
The ocean has a major influence on weather and climate. Scientists estimate it has absorbed more than 90% of the heat and 25% of the excess carbon released into the atmosphere by human activities.
Earth Sciences
Aug 14, 2024
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434
Oak trees accumulate more wood when there is more carbon dioxide (CO₂) in the atmosphere. That's the key finding from our new study, carried out in a long-established forest in Staffordshire, England, that we have turned ...
Environment
Aug 14, 2024
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87
When it comes to heating up the planet, not all greenhouse gases are created equal. They vary widely in their global warming potential (GWP), a measure of how much infrared thermal radiation a greenhouse gas would absorb ...
Environment
Jul 18, 2024
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59
A study led by a UC Riverside atmospheric scientist predicts that unchecked carbon emissions will force tropical rains to shift northward in the coming decades, which would profoundly impact agriculture and economies near ...
Earth Sciences
Jun 28, 2024
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125
Atmospheric scientists get a little more excited with every rock core NASA's Perseverance Mars rover seals in its titanium sample tubes, which are being gathered for eventual delivery to Earth as part of the Mars Sample Return ...
Planetary Sciences
Jun 20, 2024
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12
The French Polynesian island Moorea is the most beautiful isle in the world, some say. Its lagoons are surrounded by reefs dominated by Porites corals.
Ecology
Jun 14, 2024
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16
Climate changes, but not always for the same reason. Today's rapid climate change is due entirely to man. The Holocene—the last 12,000 years—has been seen as having a stable climate, with a lack of chaos that allowed ...
