NASA will pay you $750,000 if you can make CO2 useful Sept 4, 2018 1:55:25 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by nyx on Sept 4, 2018 1:55:25 GMT On a long space trip, NASA wants someone to come up with a way to make CO2 more useful.www.yahoo.com/news/nasa-pay-750-000-come-way-turn-co2-183428634.html