Atmospheric carbon dioxide concentrations have crossed a new threshold, the UN's weather agency said Monday, highlighting the urgency of curbing manmade, climate-altering greenhouse gases.
Environment
May 26, 2014
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Dryland ecosystems, which include deserts to dry-shrublands, play a more important role in the global carbon cycle than previously thought. In fact, they have emerged as one of its drivers, says Montana State University faculty ...
Environment
May 21, 2014
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The world made a down payment on decades of dangerous weather last month, reaching an average atmospheric carbon dioxide level above 400 parts per million.
Environment
May 8, 2014
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Simply by breathing, humans have played a small part in the planet-wide balancing act called the carbon cycle throughout our existence. However, in the last few hundred years, we have taken a larger role. Our activities, ...
Earth Sciences
Apr 3, 2014
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The tropical carbon cycle has become twice as sensitive to temperature variations over the past 50 years, new research has revealed.
Environment
Jan 26, 2014
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UK researchers have identified a biological mechanism that could explain how the Earth's atmospheric carbon dioxide and climate were stabilised over the past 24 million years. When CO2 levels became too low for plants to ...
Earth Sciences
Jan 23, 2014
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(Phys.org) —A NASA observatory that will make the most precise, highest-resolution and most complete, space-based measurements of carbon dioxide in Earth's atmosphere to date has marked a key milestone in preparation for ...
Earth Sciences
Dec 24, 2013
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(Phys.org) —A large international team of environmental scientists has combined their resources to make a reasonable estimate of the amount of CO2 that is transferred from inland waterways to the atmosphere. In their paper ...
An international team of researchers led by Ralf Tappert, University of Innsbruck, reconstructed the composition of the Earth's atmosphere of the last 220 million years by analyzing modern and fossil plant resins. The results ...
Earth Sciences
Nov 18, 2013
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Over the past 23 years, UN scientists have issued progressively stronger assertions about climate change.
Environment
Sep 21, 2013
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