(Phys.org)—A group of US researchers studying some of the oldest rocks in the world in the Pilbara region of Western Australia, say they have found the oldest traces of life on Earth, dated at 3.49 billion years old.
Two hundred fifty-two million years ago, much of life on planet Earth was dying.
Earth Sciences
Aug 2, 2021
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Here's another thing to do with that mountain of used plastic: make it soak up excess carbon dioxide.
Nanomaterials
Apr 5, 2022
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The rapidly rising levels of carbon dioxide in the atmosphere affect plants' absorption of nitrogen, which is the nutrient that restricts crop growth in most terrestrial ecosystems. Researchers at the University of Gothenburg ...
Environment
Jun 12, 2015
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From Earth's surface to hundreds of kilometers deeper than oilmen drill, the Deep Carbon Observatory (DCO) is investigating the surprising quantity of carbon in the deep, dark Earth beyond photosynthesis.
Earth Sciences
Mar 4, 2013
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Carbon stored in Arctic tundra could be released into the atmosphere by new trees growing in the warmer region, exacerbating climate change, scientists have revealed.
Environment
Jun 17, 2012
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You are walking through the bush when you see an enormous tree trunk, tens of metres long, lying across the forest floor. Imagine you and several dozen friends lifting it by hand. Now you've literally grasped the significance ...
Environment
Jun 12, 2013
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Four billion years ago, our then stripling sun radiated only 70 to 75 percent as much energy as it does today. Other things on Earth being equal, with so little energy reaching the planet's surface, all water on the planet ...
Earth Sciences
Apr 6, 2010
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Ellen Wohl, a geology professor at Colorado State University, has published a paper in the journal Geophysical Research Letters, describing the role beavers play in climate change. In a field study she undertook, she found ...
Even though carbon is one of the most-abundant elements on Earth, it is actually very difficult to determine how much of it exists below the surface in Earth's interior. Analysis by Carnegie's Marion Le Voyer and Erik Hauri ...
Earth Sciences
Jan 13, 2017
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