Over five decades, the Clean Air Act has become a venerable, living institution that has been highly successful in improving the environment around the country. Its success results from its durability and flexibility, two concepts that often seem to be in opposition yet may be essential to establishing successful climate and energy policy.

The American public holds the humanities in high regard, and most people engage in one or more humanistic activities at work and in their leisure hours, according to a recent national survey by the Academy’s Humanities Indicators project. The survey, conducted with generous funding from the Andrew W. Mellon Foundation, asked 5,015 Americans age eighteen and older who participate in NORC at the University of Chicago’s nationally representative AmeriSpeak Panel about their engagement in a variety of humanistic activities, as well as their beliefs about the personal, societal, and economic benefits of the humanities.