New Scientist: At 0151 PST (0951 GMT) on Tuesday, we will be one step closer to understanding how some carbon dioxide ends up building a dangerous greenhouse above our heads, while the rest of it gets sucked into the bowels of the Earth. That is the planned launch time for NASA’s new climate-monitoring instrument, the Orbiting Carbon Observatory, which will blast off from California’s Vandenberg Air Force Base. (You can watch the launch on NASA TV.) What is the Orbiting Carbon …