Carbon Capture and Sequestration

This page last reviewed September 2, 2016

Background


Carbon capture and sequestration (CCS) is an important strategy to reduce greenhouse gas (GHG) emissions and mitigate climate change.  CCS is a process by which large amounts of carbon dioxide (CO2) are captured, compressed, transported, and sequestered.  The sequestration component of CCS includes CO2 injection into geologic formations (such as depleted oil and gas reservoirs, un-mineable coal beds, and saline formations) as well as use in industrial materials (e.g. concrete).  CCS is distinct from biological sequestration, which is typically accomplished through forest and soil conservation practices that enhance the storage of carbon (such as restoring forests, wetlands, and grasslands) or reduce CO2 emissions (such as reducing agricultural tillage and suppressing wildfires).


ARB is currently developing a quantification methodology for CCS.  As with other quantification methodologies, the CCS quantification methodology may be adopted for use in the Cap-and-Trade and Low Carbon Fuel Standard programs as determined appropriate in rulemaking(s) specific to these programs.  Studies by the Intergovernmental Panel on Climate Change (IPCC) and the California Council on Science and Technology (CCST), have shown that CCS has the potential to reduce carbon emissions by millions of metric tons, and may be an integral part of meeting California’s long term climate goals.  CCS allows for existing fossil resources, such as natural gas, to be used in a way that is much lower in carbon emissions than traditional methods.


What's New


The Site Selection Technical Discussion will be held on Monday, September 26, 2016, and the Health and Environmental Risks, and Environmental Justice Technical Discussion will be held on Tuesday, September 27, 2016.  For further details please visit the CCS Workshops/Meetings webpage.


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