Crowd funding programmes like Kick-starter have been used to raise money for music projects and Hollywood films, but now it could even be used to raise funding for long running scientific projects. The so-called Keeling Curve is the world's longest unbroken record of how much carbon dioxide is in the atmosphere, but after funding cuts it's now asking the public to chip in to keep the data going. To find out more about this archive and the gas it measures, here's your Quick Fire Science with Kate Lamble and Dave Ansell. Like this podcast? Please help us by supporting the Naked Scientists