Update README.md

Update for PCMDI/cmor#692

README.md

@@ -7,3 +7,33 @@ Only `CMOR` and `PrePARE` should use the `JSON` file of concatenated `CMIP6` Con
 All other software should get the CV's directly from the [WCRP](https://github.com/WCRP-CMIP/CMIP6_CVs) repository. 
 
 CMIP6 Data Request can be found in the following [mip tables](http://clipc-services.ceda.ac.uk/dreq/index/miptable.html).
+
+## Contributors
+
+[![Contributors](https://contrib.rocks/image?repo=PCMDI/cmip6-cmor-tables)](https://github.com/PCMDI/cmip6-cmor-tables/graphs/contributors)
+
+## Acknowledgement
+
+Content in this repository is developed by climate and computer scientists from the Program for Climate Model Diagnosis and Intercomparison ([PCMDI][PCMDI]) at Lawrence Livermore National Laboratory ([LLNL][LLNL]). This work is sponsored by the Regional and Global Model Analysis ([RGMA][RGMA]) program, of the Earth and Environmental Systems Sciences Division ([EESSD][EESSD]) in the Office of Biological and Environmental Research ([BER][BER]) within the [Department of Energy][DOE]'s [Office of Science][OS]. The work is performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
+
+<p>
+    <img src="https://github.com/PCMDI/assets/blob/main/DOE/480px-DOE_Seal_Color.png?raw=true"
+         width="65"
+         style="margin-right: 30px"
+         title="United States Department of Energy"
+         alt="United States Department of Energy"
+    >&nbsp;
+    <img src="https://github.com/PCMDI/assets/blob/main/LLNL/212px-LLNLiconPMS286-WHITEBACKGROUND.png?raw=true"
+         width="65"
+         title="Lawrence Livermore National Laboratory"
+         alt="Lawrence Livermore National Laboratory"
+    >
+</p>
+
+[PCMDI]: https://pcmdi.llnl.gov/
+[LLNL]: https://www.llnl.gov/
+[RGMA]: https://climatemodeling.science.energy.gov/program/regional-global-model-analysis
+[EESSD]: https://science.osti.gov/ber/Research/eessd
+[BER]: https://science.osti.gov/ber
+[DOE]: https://www.energy.gov/
+[OS]: https://science.osti.gov/