Read here. The Norwegian CO2 capture and sequestration project, after consuming billions of dollars, has been put on hold for at least 4 years. Multiple issues plague the project, including potentially fouling the atmosphere with carcinogenic substances.
Despite all the attention around CO2 capture, there is surprisingly little knowledge about the health effects and environmental effects of several compounds that can be formed...A theoretical study shows that some of these may be harmful, depending on the amine used and the extent to which these substances are formed. In particular, one must be aware of the concentration of transformation products that may be carcinogenic."...
One can only gasp at the fact that the environmentalists are angered by the delay in a totally unnecessary CO2 capture project because waste substances have major health and environmental consequences.