Chemical and Engineering News: After months of delays, a satellite designed to help generate the first detailed, time-resolved global maps of carbon dioxide sources and sinks is slated for launch on Feb. 23. The daily detailed measurements from NASA’s Orbiting Carbon Observatory (OCO) will give vastly more information than the sparse CO2-monitoring stations that now dot Earth. By knowing where and when CO2 is being emitted and taken up, scientists may be able to understand how the gas influences climate change and, …