Usage Policy

CarbonTracker is an open product of NOAA's Global Monitoring Laboratory using data from the NOAA GML greenhouse gas observational network and collaborating institutions. Results, including figures and tabular material found on the CarbonTracker website may be used for non-commercial purposes without restriction. We kindly ask you to acknowledge, cite, and/or reference CarbonTracker as described below.


Citing our results

  • We ask that scientific work that relies heavily on CarbonTracker products is discussed with us before publication, to ensure proper representation of our work and co-authorship if appropriate.
  • Please cite as: Jacobson et al. 2020
  • The DOI for CT-NRT.v2020-1 is
  • For citation formats please follow this link
  • Please use "CT-NRT.v2020-1" as the shorthand to refer to our product, not "CT". This identifies both the product and the release version.
  • Note that the product is called "CarbonTracker" without a space character, not "Carbon ␣ Tracker".
  • Please include our suggested acknowledgment text in your acknowledgments section.
  • Boilerplate model description text provided upon request.


...we compare our results to NOAA's CarbonTracker, version CT-NRT.v2020-1 (Jacobson et al. 2020). In this work, CT-NRT.v2020-1 is ...


CarbonTracker CT-NRT.v2020-1 results provided by NOAA GML, Boulder, Colorado, USA from the website at


A. R. Jacobson, K. N. Schuldt, J. B. Miller, P. Tans, A. Andrews, J. Mund, T. Aalto, P. Bakwin, P. Bergamaschi, S. C. Biraud, H. Chen, A. Colomb, S. Conil, P. Cristofanelli, K. Davis, M. Delmotte, J. P. DiGangi, E. Dlugokencky, L. Emmenegger, M. L. Fischer, J. Hatakka, M. Heliasz, O. Hermanssen, J. Holst, D. Jaffe, A. Karion, P. Keronen, K. Kominkova, D. Kubistin, O. Laurent, T. Laurila, J. Lee, I. Lehner, M. Leuenberger, M. Lindauer, M. O. Löfvenius, M. Lopez, I. Mammarella, G. Manca, M. V. Marek, P. Marklund, M. Y. Martin, K. McKain, C. E. Miller, M. Mölder, C. L. Myhre, J. M. Pichon, C. Plass-Dölmer, M. Ramonet, B. Scheeren, M. Schumacher, C. D. Sloop, M. Steinbacher, C. Sweeney, K. Thoning, K. Tørseth, J. Turnbull, B. Viner, G. Vitkova, S. D. Wekker, D. Weyrauch, and D. Worthy. (2020). CarbonTracker Near-Real Time, CT-NRT.v2020-1. NOAA Earth System Research Laboratory, Global Monitoring Division.

Acknowledgment text

"CarbonTracker CT-NRT.v2020-1 results provided by NOAA GML, Boulder, Colorado, USA from the website at"

Suggested Website Citation

"CarbonTracker CT-NRT.v2020-1,"