SAN FRANCISCO — While incremental progress has been made in the ability of researchers to predict climate variations, further improvements will require additional ground- and space-based observations, better modeling capabilities and advancements in the way various data sets are combined, according to a new report from the U.S. National Research Council (NRC).

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...