GeoCarb

NASA cancels GeoCarb greenhouse gas monitoring mission
NASA has canceled a greenhouse gas monitoring mission once intended to fly as a commercial hosted payload after the mission lost its ride to orbit and suffered severe cost overruns.

NASA drops plans to fly Earth science instrument as commercial hosted payload
An Earth science instrument selected by NASA several years ago to fly as a hosted payload on a commercial communications satellite may instead fly on a standalone spacecraft because of a lack of hosting opportunities.

NASA hosted payloads waiting for rides to orbit
NASA continues to face difficulties in sending some of its payloads to orbit as hosted payloads on commercial satellites.

NASA Earth science hosted payload mission passes key review
A NASA Earth science hosted payload mission to study the planet’s carbon cycle has been confirmed for development, although exactly when and how it will fly have yet to be determined.

International focus on greenhouse gas monitoring satellites, sensors
Greenhouse gas monitoring was a hot topic at the American Meteorological Society’s annual conference. International agencies shared plans for a global constellation and companies showcased a new generation of sensors.