david cobb and capture is a new term on me. it's not something i really understand. i'm sure it's not something you're already into understandable. quick very quickly. what is it? carbon dioxide is the atmosphere and the question is, can you draw back down? so we put in some 80, giga tons a year, some large volume of carbon gas, carbon dioxide. now we withdraw. yes. and some small scale projects have already demonstrated this recently one in iceland involving caption carbon to interaction with volcanic rocks. people are talking about sea grass around the coast lines of the world. see grass water cor sucks in carbon dioxide. so there are, there are thoughts about how can we grab the carbon out of the atmosphere in stuart . so that, that technology right now is very expensive. and we have to think about governments putting in policy only. i will continue just a 2nd. i want to come to andrew, andrew, we're talking about carbon capture, which is like as a new term for me. but once again, it signs the leading the way that science is going to be controversial. do you think