About the Authors

Robert A. Rohde

robert@berkeleyearth.org (RAR); rich@berkeleyearth.org (RAM)

Affiliation Berkeley Earth, Berkeley, California, United States of America

Richard A. Muller

robert@berkeleyearth.org (RAR); rich@berkeleyearth.org (RAM)

Affiliations Berkeley Earth, Berkeley, California, United States of America, Department of Physics, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RAM RAR. Performed the experiments: RAR. Analyzed the data: RAR RAM. Contributed reagents/materials/analysis tools: RAR. Wrote the paper: RAM RAR.