Nasa’s Orbiting Carbon Observatory (OCO) will pinpoint the key locations on the Earth’s surface where CO2 is being emitted and absorbed.
“The objective of the OCO mission is to make measurements that are so precise that they can be used to look for surface ‘sources’ and ‘sinks’ of CO2.” ~ Dr. David Crisp
via BBC NEWS | Science & Environment | Nasa set to launch ‘CO2 hunter’.