- Climate strongly influences culture by affecting factors like work ethic, social interaction norms, diet, and humor. Cold climates promote industriousness while warm climates engender more open socializing. - Religion profoundly shapes culture through impacts on conflicts, languages, writing systems, and societal norms. The major world religions all originated in core regions and diffused cultural features outward. - Both climate and religion establish deep-rooted, long-lasting effects on cultural worldviews, values, and behaviors that distinguish different human groups.