News tagged with atmospheric co2
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) |
5
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 |
5 / 5 (2) |
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Environmental group measures methane seeps in the Arctic
(Phys.org) -- A team of researchers, led by Katey Walter Anthony, of the University of Alaska, has been studying and mapping so-called seeps, holes in lake ice near the edges of glaciers where methane is bubbling ...
Space & Earth / Earth Sciences
May 21, 2012 |
5 / 5 (4) |
2
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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 |
5 / 5 (5) |
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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 |
4 / 5 (12) |
5
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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 |
5 / 5 (18) |
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Experts create first legal roadmap to tackle local ocean acidification hotspots
Coastal communities hard hit by ocean acidification hotspots have more options than they may realize, says an interdisciplinary team of science and legal experts. In a paper published in the journal Science, experts from S ...
May 26, 2011 |
5 / 5 (1) |
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Declining mangroves shield against global warming
Mangroves, which have declined by up to half over the last 50 years, are an important bulkhead against climate change, a study released on Sunday has shown for the first time.
Space & Earth / Earth Sciences
Apr 03, 2011 |
3.9 / 5 (7) |
9
MIT slows concrete creep to a crawl
MIT civil engineers have for the first time identified what causes the most frequently used building material on earth — concrete — to gradually deform, decreasing its durability and shortening the lifespan of infrastructures ...
Jun 16, 2009 |
4.9 / 5 (12) |
3
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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Geoengineering could complement mitigation to cool the climate
The first comprehensive assessment of the climate cooling potential of different geoengineering schemes has been carried out by researchers at the University of East Anglia (UEA).
Space & Earth / Earth Sciences
Jan 28, 2009 |
2.5 / 5 (15) |
7
World has five years to avoid severe warming: IEA
The world has just five years to avoid being trapped in a scenario of perilous climate change and extreme weather events, the International Energy Agency (IEA) warned on Wednesday.
Nov 09, 2011 |
3.9 / 5 (22) |
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New method of measuring ocean CO2 uptake could lead to climate change 'early warning system'
An international team of scientists led by the University of East Anglia (UEA) has developed a new method of measuring the absorption of CO2 by the oceans and mapped for the first time CO2 uptake for the entire North Atlantic.
Space & Earth / Earth Sciences
Dec 03, 2009 |
1.7 / 5 (6) |
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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 |
2.7 / 5 (15) |
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