July 31, 2017 – The American Association for the Advancement of Science and 15 leaders of science societies on Monday sent a letter to EPA Administrator Scott Pruitt requesting a meeting, in response to reports that he is working to develop a “red team/blue team” process that challenges climate science.

The letter reaffirms the scientific consensus on climate change, noting “ongoing research, testing, evaluations, and debates that happen on a regular basis in every scientific discipline. The peer review process itself is a constant means of scientists putting forth research results, getting challenged, and revising them based on evidence. Indeed, science is a multi-dimensional, competitive “red team/blue team” process whereby scientists and scientific teams are constantly challenging one another’s findings for robustness. The current scientific understanding of climate change is based on decades of such work, along with overarching, carefully evaluated assessments within the United States and internationally.”

The letter to Pruitt continues: “… the integrity of the scientific process cannot thrive when policymakers—regardless of party affiliation—use policy disagreements as a pretext to challenge scientific conclusions. Given your interest in the state of climate science, we would welcome the opportunity to meet with you to better understand your perspective and rationale for the proposed activity; and to discuss climate science, including which areas are at the frontiers of scientific knowledge and which are well-established because of thousands of studies from multiple lines of evidence.”

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Read the full letter and the list of 15 science society leader signatories.

The American Association for the Advancement of Science (AAAS) is the world’s largest general scientific society and publisher of the journal Science, as well as Science Translational MedicineScience Signaling; a digital, open-access journal, Science AdvancesScience Immunology; and Science Robotics. AAAS was founded in 1848 and includes nearly 250 affiliated societies and academies of science, serving 10 million individuals. Science has the largest paid circulation of any peer-reviewed general science journal in the world. The nonprofit AAAS is open to all and fulfills its mission to “advance science and serve society” through initiatives in science policy, international programs, science education, public engagement, and more. For additional information about AAAS, see