This summary provides an overview of key points, challenges, and priorities discussed at the Big Data and the Earth Sciences: Grand Challenges Workshop held from May 31 to June 2, 2017 in La Jolla, California. The workshop was hosted by the Pacific Research Platform (PRP), a consortium of universities in the Western U.S. that is building a “science-driven, high-capacity, data-centric freeway system on a large regional scale” and the Center for Western Weather and Water Extremes (CW3E) of UC San Diego’s Scripps Institution of Oceanography. In addition to this summary, the four “Grand Challenges Lectures” and the final panel recording are available and are posted on the UC San Diego’s PRP website (

Categories: Reports