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Capturing CO2 and storing it underground has been considered by many countries as an important technique to meet climatic goals and expand the life of fossil fuel-infrastructure. But practically the ability to do this that has already been thought of, according to the study led by the International Institute for Applied Systems Analysis with scientists of Imperial College London.
According to research, there is a “prudent global boundary” of about 1.46 trillion tons of CO2, which can be safely stored in geological structures. It is “about 10 times smaller than the estimates proposed by the industry, who have not considered the risk to the people and the environment,” it said.
Research showed that the use of practical areas can only curb global warming by 0.7C. It compares 5C to 6C or more with large engineering and industry estimates of 6C or more, but they are based on estimated risk storage capacity.
According to the first quarter, according to the International Energy Agency, operations were only over 50 million tonnes of CO2 captures and storage capacity, and the ability to store can reach about 670 million tonnes.
According to IIASA -led study, technically possible and what can be achieved safely, there is a difference between it. Researchers analyzed geological structures such as CO2 leaks, the possibility of triggering earthquakes during the storage process, contamination of groundwater supply and proximity to population centers or protected areas.
“Carbon storage” said Jori Rosellaz, director of Research at the Grand Institute at Imperial College London, said “now” cannot be considered an unlimited solution to bring our climate back to a safe level. “” It should be used to prevent and reverse global warming and should not be wasted on offsetting fossil power generation or old combustion engine.
Such more stories are available on bloomberg.com
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