In places across the U.S., tree cover is shrinking—forests are burned by wildfires on the West Coast and drowned by rising sea levels along the East. From the ground, it's hard to assess the scale of the losses and the ...
Planetary Sciences
Mar 8, 2023
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23
Mars' south polar layered deposits of H2O and CO2 ice record its climate history. A new study links the long-term global movement of Mars' water from midlatitude to pole to a function of the planet's orbital configuration ...
Planetary Sciences
Mar 7, 2023
0
41
Not all pollution comes from people. When global temperatures increase by 4°C, harmful plant emissions and dust will also increase by as much as 14%, according to new UC Riverside research.
Earth Sciences
Feb 28, 2023
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220
The history of life on Earth has been punctuated by several mass extinctions, the greatest of these being the Permian-Triassic extinction event, also known as the Great Dying, which occurred 252 million years ago. While scientists ...
Ecology
Feb 24, 2023
1
403
Chemically, carbon dioxide is incredibly simple—it is just one carbon atom linked with two oxygen atoms. Together they create a colorless gas that makes up just a tiny fraction of the Earth's atmosphere, about 0.04%.
Earth Sciences
Feb 6, 2023
48
17
Rocks, rain and carbon dioxide help control Earth's climate over thousands of years—like a thermostat—through a process called weathering. A new study led by Penn State scientists may improve our understanding of how ...
Earth Sciences
Feb 5, 2023
0
61
The ozone layer is on track to heal within four decades, according to a recent UN report, but this progress could be undone by an upsurge in rocket launches expected during the same period.
Environment
Feb 3, 2023
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34
Trees living in conditions where carbon dioxide (CO2) levels have been artificially elevated are likely to become more efficient in conserving water.
Plants & Animals
Feb 2, 2023
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21
Cyanobacteria are single-celled organisms that derive energy from light, using photosynthesis to convert atmospheric carbon dioxide (CO2) and liquid water (H2O) into breathable oxygen and the carbon-based molecules like proteins ...
Evolution
Jan 31, 2023
0
273
In addition to oxygen, nitrogen or carbon dioxide, the air we breathe contains small amounts of organic gases, such as benzene and toluene. These oxidize into small particles or aerosols that contribute to the condensation ...
Earth Sciences
Jan 31, 2023
0
50
