article_snippet.sent: Last April, an IPCC report highlighted a number of barriers to using CCS, including fatal CO2 leaks, transport issues and operational risks, such as seismic tremors.
article_snippet.sent: an IPCC report said: ‘Barriers to large‐scale deployment of CCS technologies include concerns about the operational safety and long‐term integrity of CO2 storage as well as transport risks.
article_snippet.sent: Last April, an IPCC report highlighted a number of barriers to using CCS, including fatal CO2 leaks, transport issues and operational risks, such as seismic tremors.
article_snippet.sent: This would be a hazard because CO2 at high concentrations is an asphyxiant and fatal to humans.
article_snippet.sent: In 2010, a study by Duke University found that leaks from carbon dioxide injected deep underground could bubble up into drinking water aquifers near the surface, driving up levels of contaminants in the water ten-fold.
article_snippet.sent: Professor Haszeldine, however, said leaks from carbon dioxide injected deep underground could bubble up into drinking water aquifers near the surface, driving up levels of contaminants in the water ten-fold more recent studies have placed the risk level to humans dying from a CCS leak at one in 30 million.