it crystallises and forms calcite inside the basalt rock and now, it's pretty rock—solid. so you are looking to inject a lot of water into a lot of rock. do you have enough rock to manage it? yes, so in iceland alone, we have the potential to store 1000 gigatons in basalt here, and this is even before looking at the rest of the world. for some industries, carbon dioxide is not to be buried — it is a vital commodity. this is beer which is being filtered and it's about to go into either keg or bottle, but this is where the c02 is injected in line as it's passing along the pipe and this is what makes the beer fizzy and carbonated. why valley brewery in herefordshire needs half a pint of liquid c02 delivered