News tagged with atmospheric carbon
Volcanoes played pivotal role in ancient ice age, mass extinction
Space & Earth / Earth Sciences
Oct 26, 2009 |
4.7 / 5 (15) |
3
(PhysOrg.com) -- Researchers here have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago.
Long debate ended over cause, demise of ice ages -- may also help predict future
Space & Earth / Earth Sciences
Aug 06, 2009 |
4.4 / 5 (23) |
63
Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...
Global warming: Our best guess is likely wrong
Space & Earth / Earth Sciences
Jul 14, 2009 |
4.6 / 5 (49) |
54
No one knows exactly how much Earth's climate will warm due to carbon emissions, but a new study this week suggests scientists' best predictions about global warming might be incorrect.
Mystery mechanism drove global warming 55 million years ago
Space & Earth / Earth Sciences
Jul 13, 2009 |
4.3 / 5 (25) |
24
A runaway spurt of global warming 55 million years ago turned Earth into a hothouse but how this happened remains worryingly unclear, scientists said on Monday.
Agricultural methods of early civilizations may have altered global climate, study suggests
Space & Earth / Earth Sciences
Aug 17, 2009 |
3.5 / 5 (11) |
8
Massive burning of forests for agriculture thousands of years ago may have increased atmospheric carbon dioxide enough to alter global climate and usher in a warming trend that continues today, according to a new study that ...
Researcher identifies protein that concentrates carbon dioxide in algae
Apr 08, 2009 |
5 / 5 (4) |
0
(PhysOrg.com) -- Increasing levels of carbon dioxide in the atmosphere are a concern to many environmentalists who research global warming.
Ocean growing more acidic faster than once thought
Space & Earth / Earth Sciences
Nov 24, 2008 |
3.6 / 5 (40) |
8
University of Chicago scientists have documented that the ocean is growing more acidic faster than previously thought. In addition, they have found that the increasing acidity correlates with increasing levels ...
Why is Greenland covered in ice?
Space & Earth / Earth Sciences
Aug 27, 2008 |
3.7 / 5 (63) |
14
There have been many reports in the media about the effects of global warming on the Greenland ice-sheet, but there is still great uncertainty as to why there is an ice-sheet there at all.
New sources of biofuel to take pressure off traditional crops
Sep 10, 2009 |
1 / 5 (1) |
0
"Salt-loving algae could be the key to the successful development of biofuels as well as being an efficient means of recycling atmospheric carbon dioxide", Professor John Cushman of the University of Nevada told the Society ...
Carbon sequestration may enhance energy production, researchers say
Space & Earth / Earth Sciences
Jul 14, 2009 |
2.6 / 5 (5) |
0
(PhysOrg.com) -- As energy consumption and greenhouse gas emissions continually rise in the United States, unconventional natural gas sources coupled with advances in carbon sequestration may be the solution, ...
Forest fire prevention efforts will lessen carbon sequestration, add to greenhouse warming
Jul 08, 2009 |
1 / 5 (1) |
0
Widely sought efforts to reduce fuels that increase catastrophic fire in Pacific Northwest forests will be counterproductive to another important societal goal of sequestering carbon to help offset global warming, forestry ...
Iron and biological production in the high-latitude North Atlantic
Space & Earth / Earth Sciences
Jul 07, 2009 |
5 / 5 (3) |
0
Southampton scientists have demonstrated an unexpected role of iron in regulating biological production in the high-latitude North Atlantic. Their findings have important implications for our understanding of ocean-climate ...
Pacific Northwest forests could store more carbon, help address greenhouse issues
Jul 02, 2009 |
2.6 / 5 (5) |
0
The forests of the Pacific Northwest hold significant potential to increase carbon storage and help mitigate greenhouse gas emissions in coming years, a recent study concludes, if they are managed primarily for that purpose ...
ESA tests laser to measure atmospheric carbon dioxide
Space & Earth / Earth Sciences
Dec 03, 2008 |
3.6 / 5 (7) |
1
A recent ESA campaign has demonstrated how a technique using lasers could be employed to measure carbon dioxide in the atmosphere. The campaign supports one of the main objectives of the candidate Earth Explorer A-SCOPE mission.
NASA Releases Orbiting Carbon Observatory Accident Summary
Space & Earth / Space Exploration
Jul 17, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- A NASA panel that investigated the unsuccessful Feb. 24 launch of the Orbiting Carbon Observatory, or OCO, has completed its report.
