Satellite data released in the run-up to the Intergovernmental Panel on Climate Change (IPCC) meeting on 27 September show CO2 levels are continuing to rise, despite efforts to cut back emissions.
http://www.esa.int/Our_Activities/Observing_the_Earth/Space_for_our_climate/Our_living_planet_Earth_s_carbon_dioxide_breathing_seen_from_space