News tagged with soil carbon

Related topics: carbon

Super-size deposits of frozen carbon threat to climate change

The vast amount of carbon stored in the arctic and boreal regions of the world is more than double that previously estimated, according to a study published this week.

Space & Earth / Earth Sciences

created Jun 30, 2009 | popularity 4.7 / 5 (60) | comments 11

Thawing permafrost 50 million years ago led to extreme global warming events

In a new study reported in Nature, climate scientist Rob DeConto of the University of Massachusetts Amherst and colleagues elsewhere propose a simple new mechanism to explain the source of carbon that fed a ...

Space & Earth / Earth Sciences

created Apr 04, 2012 | popularity 4.3 / 5 (28) | comments 47 | with audio podcast

Arctic climate may be more sensitive to warming than thought, says new study

A new study shows the Arctic climate system may be more sensitive to greenhouse warming than previously thought, and that current levels of Earth's atmospheric carbon dioxide may be high enough to bring about ...

Space & Earth / Earth Sciences

created Jun 29, 2010 | popularity 3.8 / 5 (27) | comments 47 | with audio podcast

Northern wildfires threaten runaway climate change, study reveals

Climate change is causing wildfires to burn more fiercely, pumping more greenhouse gases into the atmosphere than previously thought, according to a new study to be published in Nature Geoscience this week. ...

Space & Earth / Earth Sciences

created Dec 05, 2010 | popularity 3.4 / 5 (24) | comments 14 | with audio podcast

Study: 800-year-old farmers could teach us how to protect the Amazon

In the face of mass deforestation of the Amazon, we could learn from its earliest inhabitants who managed their farmland sustainably. Research from an international team of archaeologists and paleoecologists, ...

Space & Earth / Environment

created Apr 09, 2012 | popularity 5 / 5 (14) | comments 7 | with audio podcast

Thawing tundra a new climate threat

(PhysOrg.com) -- A significant source of greenhouse gases has started leaking into the Earth's atmosphere from an unlikely place. Above the Arctic Circle, land frozen for tens of thousands of years has begun ...

Space & Earth / Environment

created Jan 20, 2012 | popularity 4.2 / 5 (15) | comments 11

Early hominid first walked on two legs in the woods

Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the open, grassy ...

Other Sciences / Archaeology & Fossils

created Oct 08, 2009 | popularity 4.8 / 5 (12) | comments 1

Largest recorded tundra fire yields scientific surprises

In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 ...

Space & Earth / Environment

created Jul 27, 2011 | popularity 4.7 / 5 (12) | comments 3 | with audio podcast

Thawing permafrost could release vast amounts of carbon, accelerate climate change by the end of this century

(PhysOrg.com) -- Billions of tons of carbon trapped in high-latitude permafrost may be released into the atmosphere by the end of this century as the Earth’s climate changes, further accelerating global ...

Space & Earth / Environment

created Aug 23, 2011 | popularity 4 / 5 (13) | comments 77 | with audio podcast

Earth is getting dustier, model suggests

(PhysOrg.com) -- If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills. The amount of dust in the Earth's atmosphere has doubled over the last century, according ...

Space & Earth / Earth Sciences

created Jan 05, 2011 | popularity 4.5 / 5 (11) | comments 6 | with audio podcast

Even soil feels the heat: Soils release more carbon dioxide as globe warms

Twenty years of field studies reveal that as the Earth has gotten warmer, plants and microbes in the soil have given off more carbon dioxide. So-called soil respiration has increased about one-tenth of 1 percent ...

Space & Earth / Environment

created Mar 24, 2010 | popularity 3 / 5 (16) | comments 3 | with audio podcast

Global warming may affect the capacity of trees to store carbon, study finds

One helpful action anyone can take in response to global warming is to plant trees and preserve forests. Trees and plants capture carbon dioxide during photosynthesis, thereby removing the most abundant greenhouse ...

Space & Earth / Environment

created May 25, 2011 | popularity 4 / 5 (10) | comments 15 | with audio podcast

From the ancient Amazonian Indians: A modern weapon against global warming

Scientists are reporting that "biochar" -- a material that the Amazonian Indians used to enhance soil fertility centuries ago — has potential in the modern world to help slow global climate change. Mass production ...

Space & Earth / Environment

created Jan 13, 2010 | popularity 3.8 / 5 (10) | comments 4

Increased tropical forest growth could release carbon from the soil

A new study shows that as climate change enhances tree growth in tropical forests, the resulting increase in litterfall could stimulate soil micro-organisms leading to a release of stored soil carbon.

Space & Earth / Environment

created Aug 14, 2011 | popularity 3.8 / 5 (10) | comments 55 | with audio podcast

Study finds trees not so large carbon sinks

The capacity of trees to counter rising carbon dioxide levels in the atmosphere may not be as great as previously thought, according to a new study with significant implications for predicting future climate ...

Space & Earth / Environment

created Oct 27, 2010 | popularity 3.7 / 5 (10) | comments 24 | with audio podcast