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News tagged with co2 levels

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 ...

Biology / Plants & Animals

created May 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study ups plant CO2 intake estimates

Plants may be able to limit the impact of our CO2 emissions even more than we previously thought, an innovative new experiment suggests.

Space & Earth / Environment

created May 21, 2012 | popularity 5 / 5 (5) | comments 6

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 ...

Biology / Plants & Animals

created May 15, 2012 | popularity 5 / 5 (5) | comments 2 | with audio podcast

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 ...

Space & Earth / Environment

created Apr 11, 2012 | popularity 4 / 5 (12) | comments 5 | with audio podcast

Carbon dioxide affecting fish brains: study

Rising human carbon dioxide emissions may be affecting the brains and central nervous systems of sea fish, with serious consequences for their survival, according to new research.

Space & Earth / Environment

created Jan 16, 2012 | popularity 4.1 / 5 (15) | comments 15

Dry conditions spurred advanced photosynthesis

The need to conserve water played a vital role in driving plants to evolve a specialised form of photosynthesis, scientists have shown.

Biology / Evolution

created Feb 03, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Scientists warn Spanish cave should remain off the tourist map

(PhysOrg.com) -- The World Heritage listed Altamira Cave at Cantabria in northern Spain, is home to some of the most perfect examples of Paleolithic cave paintings in Europe, but threats posed by tourists ...

Other Sciences / Archaeology & Fossils

created Oct 07, 2011 | popularity 3.7 / 5 (3) | comments 5 | with audio podcast report

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

created Jul 01, 2009 | popularity 3.8 / 5 (9) | comments 5

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

created Jul 05, 2011 | popularity 5 / 5 (18) | comments 52 | with audio podcast

Shells slim down with CO2

Marine algae that turn carbon dissolved in seawater into shell will produce thinner and thinner shells as carbon dioxide levels increase.

Space & Earth / Environment

created Aug 09, 2011 | popularity 4.2 / 5 (6) | comments 0 | with audio podcast

USF Study Shows First Direct Evidence of Ocean Acidification

(PhysOrg.com) -- Seawater in a vast and deep section of the northeastern Pacific Ocean shows signs of increased acidity brought on by manmade carbon dioxide in the atmosphere -- a phenomenon that carries with ...

Space & Earth / Earth Sciences

created Jan 20, 2010 | popularity 3.8 / 5 (27) | comments 54 | with audio podcast

Antarctic ice loss vaster, faster than thought: study

The East Antarctic icesheet, once seen as largely unaffected by global warming, has lost billions of tonnes of ice since 2006 and could boost sea levels in the future, according to a new study.

Space & Earth / Earth Sciences

created Nov 22, 2009 | popularity 3.7 / 5 (54) | comments 45

Close relationship between past warming and sea-level rise

Scientists from the National Oceanography Centre, Southampton, along with colleagues from Tuebingen and Bristol have reconstructed sea-level fluctuations over the last 520,000 years. Comparison of this record with data on ...

Space & Earth / Earth Sciences

created Jun 22, 2009 | popularity 3.8 / 5 (19) | comments 2

Earth is having a bad acid trip, study finds

Earth may be overdosing on acid - not the "turn on, tune in, drop out" kind, but the "kill fish, kill coral, kill crops" kind. And it's shaping up to be a very bad trip.

Space & Earth / Environment

created Oct 03, 2011 | popularity 5 / 5 (5) | comments 5

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

created Feb 09, 2009 | popularity 4.3 / 5 (18) | comments 29