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Most Americans treat climate change seriously but not literally \u2014 they accept the science, worry about forecasts but tell themselves that someone else will get serious about fixing the problem very soon.\n\nThe Valve Turners, on the other hand, take climate change both very seriously and very literally.\n\nIn the fall of 2016, the group of five environmental activists \u2014 all in their 50s and 60s, most with children and one with grandchildren \u2014 closed off five cross-border crude oil pipelines, including the Keystone. \n\nOn today\u2019s Sunday Read, who are the Valve Turners and what are their motivations?\n\nThis story was written by Michelle Nijhuis and recorded by Audm. To hear more audio stories from publishers like The New York Times, download Audm for iPhone or Android.