CarbonTracker is an open product of NOAA's Earth System Research Laboratory using data from the NOAA ESRL 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 in the following way:Suggested Acknowledgment
"CarbonTracker CT2013 results provided by NOAA ESRL, Boulder, Colorado, USA from the website at http://carbontracker.noaa.gov."Suggested Website Citation
"CarbonTracker CT2013, http://carbontracker.noaa.gov"Suggested Journal Citation
Peters et al., 2007, "An atmospheric perspective on North American carbon dioxide exchange: CarbonTracker", PNAS, November 27, 2007 , vol. 104, no. 48, 18925-18930, with updates documented at http://carbontracker.noaa.gov.