New research in mineral weathering shows that earthworms may be an important contributor to Earth’s weathering cycle.
Grace van Deelen
Grace van Deelen, joined Eos in 2023 as a staff writer. She covers all things Earth science and is particularly interested in stories that highlight the intersection of society, the environment, and equity in science. Grace holds a master’s degree from MIT’s Graduate Program in Science Writing and bachelor’s degrees in biology and anthropology from Tufts University.
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Beavers Have Engineered Ecosystems in the Tetons for Millennia
Analysis of lake sediment in Grand Teton National Park is helping piece together ecosystem history, with helpful implications for land managers today.
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Another Record-Breaking Year in the Arctic Amplifies Calls for More Data
A downward spiral of the Arctic’s ecological health and climatic conditions continued in 2023, causing problems for people, plants, and animals, according to a new NOAA report.
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Microbe Goo Could Help Guide the Search for Life on Mars
Sticky substances secreted by microbes may help create landforms on Earth. And new research shows that these substances are more preserved in iron-rich sediment. Mars is decidedly iron-rich (it’s the Red Planet, after all), so the new study adds to evidence that microbe goo could help researchers explain landform creation there. “I think this is […]
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Current Efforts Not Enough to Keep Warming Under 1.5°C
A canyon between current efforts and necessary action means global temperatures are on track to rise far beyond Paris Agreement goals.
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Deep Emissions Cuts Still Needed to Prevent the Worst Climate Change Impacts
A new federal report says the effects of human-caused climate change are worsening in every region of the United States, but the technology to address it exists.
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Carbon Dating Reveals the Timing of Puerto Rican Cave Art
New dates from cave art pigment add to evidence that Indigenous Puerto Ricans inhabited the island for millennia.
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River Recovery from Drought Can Take Years
Climate change has created increasingly volatile weather and a drier atmosphere, making it harder for rivers to recuperate after a drought.
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Midwest Livestock Operations Linked to Rise in Ammonia Pollution
For the first time, scientists have linked high-density animal operations in the U.S. Midwest to rising air pollution from ammonia, suggesting need for increased regulation from the EPA.