Verkkothe potential of polarized deliberation is higher in divided societies amid broader challenges to democratic functioning (urman, 2020). With guest host brian kilmeade! Many democratic societies have become more politically polarized, with the u. s. Being the main example. The origins of this phenomenon are still not well. Verkkothe goal of this volume is to explore pernicious polarization, i. e. , when and how a society divides into mutually distrustful “us vs. Verkkoalthough there is a significant partisan divide on cl imate change in the usa, this polarization has not always existed. One of the earliest polls on the issue (1989). Verkkoa review of research on polarization in the us reveals that voters are less ideologically polarized than they think, but emotionally polarized by identity. Verkkoour analysis focuses on the potential role played by four factors that should account for changes in levels of concern regarding climate change: