News tagged with atmospheric co2 level
Fungi shifted plant balance of power
Cooperating with fungi didn't just help the earliest plants spread across a barren, rocky landscape; it also played a decisive role in the rise of more complex plants with roots and leaves that make up most ...
May 24, 2012 |
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Ancient plant-fungal partnerships reveal how the world became green
Prehistoric plants grown in state-of-the-art growth chambers recreating environmental conditions from more than 400 million years ago have shown scientists from the University of Sheffield how soil dwelling fungi played a ...
May 15, 2012 |
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Ocean acidification linked to larval oyster failure
Researchers at Oregon State University have definitively linked an increase in ocean acidification to the collapse of oyster seed production at a commercial oyster hatchery in Oregon, where larval growth had ...
Apr 11, 2012 |
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How hot did Earth get in the past? Scientists uncover new information
The question seems simple enough: What happens to the Earth's temperature when atmospheric carbon dioxide levels increase? The answer is elusive. However, clues are hidden in the fossil record. A new study ...
Space & Earth / Earth Sciences
Jul 05, 2011 |
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Climate experts debate strategies for reducing atmospheric carbon and future warming
(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.
Nov 25, 2009 |
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Oceans absorbing carbon dioxide more slowly, scientist finds
The world's oceans are absorbing less carbon dioxide (CO2), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 percent of the CO2 emitted by human activity, ...
Space & Earth / Earth Sciences
Nov 24, 2009 |
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Scientists Find Ozone Levels Already Affecting Soybean Yields
(PhysOrg.com) -- Current atmospheric ozone levels are already suppressing soybean yields, according to Agricultural Research Service (ARS) scientists and university cooperators studying the effect of global ...
Nov 17, 2009 |
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Australian scientists call for urgent 'global cooling' to save coral reefs
(PhysOrg.com) -- Australian marine scientists have issued an urgent call for massive and rapid worldwide cuts in carbon emissions, deep enough to prevent atmospheric CO2 levels rising to 450 parts per million (ppm).
Nov 09, 2009 |
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Plants Save the Earth from an Icy Doom (w/ Podcast)
(PhysOrg.com) -- Fifty million years ago, the North and South Poles were ice-free and crocodiles roamed the Arctic. Since then, a long-term decrease in the amount of CO2 in the atmosphere has cooled the Earth. ...
Space & Earth / Earth Sciences
Jul 01, 2009 |
3.8 / 5 (9) |
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Who will pick up the bill? Possible job cuts and revenue loss as a result of ocean acidification
Ocean acidification, a direct result of increased CO2 emission, is set to change the Earth's marine ecosystems forever and may have a direct impact on our economy, resulting in substantial revenue declines and job losses.
Jun 01, 2009 |
4.1 / 5 (39) |
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High CO2 boosts plant respiration, potentially affecting climate and crops
The leaves of soybeans grown at the elevated carbon dioxide (CO2) levels predicted for the year 2050 respire more than those grown under current atmospheric conditions, researchers report, a finding that will ...
Space & Earth / Earth Sciences
Feb 09, 2009 |
4.3 / 5 (18) |
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