oxygen is actually our only by—product of this plan. oxygen is actually our only by-product of this plan. which is not a bad — by-product of this plan. which is not a bad by-product, i is not a bad by—product, really? is not a bad by-product, reall ? . ., ., , really? the health authorities don't seem — really? the health authorities don't seem to _ really? the health authorities don't seem to mind. - don't seem to mind. laughter. so right here in geothermal iceland where electricity and hot water are essentially green, green and on tap, growing this algae ends up being carbon negative. it fills more c02 out of the environment than the electricity puts back in. but in order to feed the world, these algae farms would need to be placed around the globe and not everywhere is on top of a volcano. the globe and not everywhere is on top of a volcano.— top of a volcano. the system itself is always _ top of a volcano. the system itself is always carbon i itself is always carbon negative because we take in c02, we fix it in biomass and we breathe out oxygen. if you are having _ we breathe out oxygen. if you are having to _ we breathe out oxygen. if you are having to use _ we breathe out oxygen. if you are having to use electricity i are having to use electricity thatis are having to use electricity that is generated through coal, then the system is generating c02 as well unless you connect a pipe from the power station straight back into the algae and suck it back in?-