Carbon sequestration
hideCarbon sequestration is a geoengineering technique for the long-term storage of carbon dioxide or other forms of carbon, for the mitigation of global warming. Carbon dioxide is usually captured from the atmosphere through biological, chemical or physical processes. It has been proposed as a way to mitigate the accumulation of greenhouse gases in the atmosphere released by the burning of fossil fuels.
CO2 may be captured as a pure by-product in processes related to petroleum refining or from flue gases from power generation. CO2 sequestration can then be seen as being synonymous with the storage part of carbon capture and storage which refers to the large-scale, permanent artificial capture and sequestration of industrially-produced CO2 using subsurface saline aquifers, reservoirs, ocean water, aging oil fields, or other carbon sinks.
Sequestration techniques are not instantaneous and when considering their efficacy, consideration has to be given to the fact that they will therefore be acting on future (not current) CO2 levels. These levels are expected by the IPCC to be higher than today's.
For more information about Carbon sequestration, read the full article at
Wikipedia.
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News tagged with carbon sequestration
LLNL licenses carbon nanotube technology to local company
Nanotechnology / Nanomaterials
Nov 12, 2009 |
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Lawrence Livermore National Laboratory has exclusively licensed to Porifera Inc. of Hayward a carbon nanotube technology that can be used to desalinate water and can be applied to other liquid based separations.
Carbon-offsetting and conservation can both be winners in rainforest
Oct 20, 2009 |
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Logged rainforests can support as much plant, animal and insect life as virgin forest within 15 years if properly managed, research at the University of Leeds has found.
Nitrogen deposition limits climate change impacts on carbon sequestration
Oct 07, 2009 |
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Forests are important in reducing the green house gas CO2. For the period 2000-2007, it has been estimated that from the 8.9 billion ton of carbon released by man, approximately 46% is found back in the atmosphere. ...
Exotic timber plantations found to use more than twice the water of native forests
Sep 15, 2009 |
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Ecologists have discovered that timber plantations in Hawaii use more than twice the amount of water to grow as native forests use. Especially for island ecosystems, these findings suggest that land management ...
Scientists say climate change mitigation strategies ignore carbon cycling processes of inland waters
Space & Earth / Earth Sciences
Sep 01, 2009 |
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In the paper, The Boundless Carbon Cycle, published in the September issue of Nature Geoscience, scientists from the University of Vienna, Uppsala University in Sweden, University of Antwerp, and the U.S. based Stroud Water ...
New study: Farmers protecting and growing significant amount of world's trees
Aug 24, 2009 |
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Although agriculture, particularly in the developing world, is often associated with massive deforestation, scientists from the World Agroforestry Centre demonstrated today, in a study using detailed satellite imagery, that ...
Life Underground Critical to Earth's Ecosystems
Jul 29, 2009 |
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(PhysOrg.com) -- "I wonder if I shall fall right through the Earth!" mused Alice-in-Wonderland as she tumbled down the rabbit-hole." How funny it'll seem to come out among people that walk with their heads ...
Researchers find fertile pastures
Jul 22, 2009 |
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(PhysOrg.com) -- University of Queensland researchers are breaking new ground in rainforest regeneration.
Carbon sequestration may enhance energy production, researchers say
Space & Earth / Earth Sciences
Jul 14, 2009 |
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(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 |
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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 ...
A new approach to engineering for extreme environments (w/ Video)
Jun 24, 2009 |
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(PhysOrg.com) -- Composite materials such as fiberglass, which take on a mix of properties of their constituent compounds, have been around for decades. Now, an MIT materials scientist is taking composites ...
Study of agricultural watersheds and carbon losses
Jun 19, 2009 |
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Dissolved organic carbon (DOC) losses from tile drains are an underquantified portion of the terrestrial carbon cycle. This is particularly important in the eastern corn belt where tile drainage dominates the agricultural ...
Geologists map rocks to soak CO2 from air
Mar 05, 2009 |
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A new report by scientists at Columbia University's Earth Institute and the US Geological Survey points to an abundant supply of carbon-trapping rock in the US that could be used to help stabilize global warming. ...
Soil carbon storage is not always influenced by tillage practices
Feb 25, 2009 |
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The practice of no-till has increased considerably during the past 20 yr. Soils under no-till usually host a more abundant and diverse biota and are less prone to erosion, water loss, and structural breakdown than tilled ...
New tool gets handle on cropland CO2 emissions
Feb 09, 2009 |
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For the first time, farmers have data that tracks at the county level on-site and off-site energy use and carbon dioxide emissions associated with growing crops in the United States.
