Voters tilt against the Supreme Court’s decision to overturn the Chevron deference when they learn about it. Effective messages focus on clean air and water and how experts and scientists, rather than unelected judges, should be making decisions about how to keep Americans safe. By a 28-point margin (64%-36%), voters side more with the following statement over an opposing argument in favor of the Supreme Court striking down the Chevron deference: “Experts and professional scientists should be the ones making decisions about how to keep Americans safe and protect the environment, rather than unelected judges without subject matter training.” By a 20-point margin (60%-40%), voters side more with the following statement over an opposing argument in favor of the Supreme Court striking down the Chevron deference: “This decision will make it much harder to protect the environment, keep Americans safe from substances like lead and arsenic, ensure access to clean air and water, and reduce greenhouse gas emissions.”