When the carbon dioxide content of the atmosphere rises, the Earth not only heats up, but extreme weather events, such as lengthy droughts, heat waves, heavy rain and violent storms, may become more frequent. Whether these ...
Earth Sciences
Aug 14, 2013
3
0
In an international collaborative project, scientists have recorded the times, places and concentrations of oceanic plankton occurrences worldwide. Their data has been collected in a global atlas that covers organisms from ...
Earth Sciences
Jul 18, 2013
1
0
(Phys.org) —Under elevated carbon dioxide levels, wetland plants can absorb up to 32 percent more carbon than they do at current levels, according to a 19-year study published in Global Change Biology from the Smithsonian ...
Environment
Jul 16, 2013
12
1
When carbon is emitted by human activities into the atmosphere it is generally thought that about half remains in the atmosphere and the remainder is stored in the oceans and on land. New research suggests that human activity ...
Earth Sciences
Jun 10, 2013
0
0
The Earth's forests perform a well-known service to the planet, absorbing a great deal of the carbon dioxide pollution emitted into the atmosphere from human activities. But when trees are killed by natural disturbances, ...
Environment
Jan 28, 2013
0
0
(Phys.org)—What does pulling a radar-equipped sled across the Arctic tundra have to do with improving our understanding of climate change? It's part of a new way to explore the little-known world of permafrost soils, which ...
Earth Sciences
Jan 4, 2013
0
0
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 ...
Plants & Animals
May 15, 2012
2
0
Scientists are uncovering a beautifully-preserved ecosystem from around a Jurassic hot spring, helping fill a gap in the fossil record of more than 300 million years.
Paleontology & Fossils
Mar 2, 2012
0
1
The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ushering in ...
Earth Sciences
Oct 26, 2011
1
0
A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, suggests ...
Archaeology
Oct 11, 2011
0
0
