on the surface of the moon. and when he did so in houston, texas, at mission control a great cheer went up and the average age of the systems engineers in that room was 26, which meant their average age when they heard that challenge was 18. and they changed their lives to get the skills and knowledge that they wanted to get to be a part of the solution. and what i'm seeing all over the world now is your generation really taking hold of this and saying we want to solve this. and this is going to have an even bigger impact on your generation than mine. and we owe it to you because i don't want to see a time when you get to the age i am now and if you encounter a world with all these horrible consequences, the scientists are predicting would come if we don't solve this, i don't want you to look back and ask of us, you know, what were you doing, watching "dancing with the stars"?