NOTICE (August 2016): CDIAC as currently configured and hosted by ORNL will cease operations on September 30, 2017. Data will continue to be available through this portal until that time. Data transition plans are being developed with DOE to ensure preservation and availability beyond 2017.

image image image image

Permission to Use Our Data

If you wish to use a diagram, image, graph, table, or other materials from the CDIAC website and are concerned with obtaining permission and possible copyright restrictions, there should be no concerns. All of the reports, graphics, data, and other information on the CDIAC website are freely and publicly available without copyright restrictions.

However as a professional courtesy, we ask that the original data source be acknowledged. Suggested citations appear at the bottom of the page for each data set. If the citation is unclear, simply contact CDIAC through our feedback form. Please identify the URL of the webpage in which the information or graphic appears.