For the first 4 billion years of Earth's existence, its continents were dusty, barren and rocky landscapes similar to the surface of Mars. But, around 500 million years ago, this all changed.
Evolution
Apr 18, 2023
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12
The Galápagos Islands are known for their extreme isolation and unusual animal life, with rare species inhabiting the islands. But little was known about the soils until a group of scientists began studying them in earnest ...
Earth Sciences
Dec 17, 2021
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When assessing the health of reclaimed land, look for the bugs, says a University of Alberta land reclamation researcher.
Environment
Nov 8, 2018
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5
UO geologist Greg Retallack has dirt on his hands—and at 3.7 billion years old, it might be some of the oldest dirt on Earth.
Earth Sciences
Nov 8, 2018
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24
Precipitation reconstructions are essential for predicting impacts of future climate change and preparing for potential changes in terrestrial environmental conditions, such as shifting amounts of regional rainfall, which ...
Earth Sciences
Feb 20, 2015
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20
In the Sahel, the frequency of storms increases when soil moisture varies over a few kilometers. Such contrasts cause air circulation between dry and humid areas, contributing to the development of storms. For the first time, ...
Earth Sciences
Jun 21, 2011
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Water erosion is the most active process controlling soil formation and evolution, which can affect the redistribution of carbon between terrestrial, aquatic, and atmospheric ecosystems. Erosion-induced organic carbon dynamic ...
Earth Sciences
Apr 25, 2024
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1
The largest urban rewilding project in the U.K. is happening on an old golf course.
Ecology
Apr 18, 2024
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2
Old houses and vacant lots may not look like much to the naked eye, but to some, the site is better than gold. Excavations over the years can create a challenge to study what's left behind and often appears as if dirt and ...
Environment
Apr 5, 2012
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