For the first 2 billion years of Earth's history, there was barely any oxygen in the air. While some microbes were photosynthesizing by the latter part of this period, oxygen had not yet accumulated at levels that would impact ...
Earth Sciences
Mar 14, 2022
2
874
Over the past 40 years, winters in California have become drier. This is a problem for the region's agricultural operations, as farmers rely on winter precipitation to irrigate their crops. Determining if California will ...
Environment
Dec 11, 2021
4
174
The planet Venus can be seen as the Earth's evil twin. At first sight, it is of comparable mass and size as our home planet, similarly consists mostly of rocky material, holds some water and has an atmosphere. Yet, a closer ...
Planetary Sciences
Oct 13, 2021
1
107
In a pair of recently published papers, Michael Rawlins, a professor in the University of Massachusetts Amherst's geosciences department and associate director of the Climate System Research Center, has made significant gains ...
Earth Sciences
Oct 12, 2021
1
61
Thirty state-of-the-art IPCC-climate models predict dramatically different climates for the Northern Hemisphere, especially Europe. An analysis of the range of responses now reveals that the differences are mostly down to ...
Earth Sciences
Jun 16, 2021
29
20
The acidity of the atmosphere is increasingly determined by carbon dioxide and organic acids such as formic acid. The second of these contribute to the formation of aerosol particles as a precursor of raindrops and therefore ...
Earth Sciences
May 12, 2021
0
13
Orbiting a red dwarf star 41 light-years away is an Earth-sized, rocky exoplanet called GJ 1132 b. In some ways, GJ 1132 b has intriguing parallels to Earth, but in other ways it is very different. One of the differences ...
Astronomy
Mar 11, 2021
0
4564
Both Earth and Mars currently have oxidising atmospheres, which is why iron-rich materials in daily life develop rust (a common name for iron oxide) during the oxidation reaction of iron and oxygen. The Earth has had an oxidising ...
Astronomy
Feb 16, 2021
1
1415
Scientists from Lawrence Livermore National Laboratory (LLNL), Scripps Institution of Oceanography and international collaborators have shown that an improved representation of drizzle rates leads to more pollution in the ...
Earth Sciences
Jan 21, 2021
0
25
A Florida State University researcher is part of a team that has found varying projections on global warming trends put forth by climate change scientists can be explained by differing models' predictions regarding ice loss ...
Earth Sciences
Oct 7, 2020
16
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