Twenty years ago, An Inconvenient Truth helped bring climate risk into the public foreground. Al Gore’s film and book contributed to a transformation in how climate change was understood, moving it from a largely scientific discussion into a broad political and cultural movement. Its influence contributed significantly to policies affecting agriculture, energy, and food processing that are still unfolding today. One year after the release of the film, the United States passed the Energy Independence and Security Act of 2007 (EISA), which established the framework for modern U.S. biofuel policy. The legislation received broad support from both farm and environmental groups and eventually evolved into a deeply embedded policy structure...