Enbridge taps new approach for pipelines An ongoing series: Growing use of âcorporate social responsibilityâ helps companies bypass tribal opposition Author: Apr 11, 2021 Water protectors rally against Enbridge's Line 3 pipeline in March 2021 and commemorate a pipeline spill that took place along the Prairie River near Grand Rapids, Minnesota in 1991. (Photo by Mary Annette Pember) An ongoing series: Growing use of âcorporate social responsibilityâ helps companies bypass tribal opposition Mary Annette Pember It’s the dead of winter in Minnesota, and the woman’s footsteps make a distinctive crunching sound as she walks down a snow-covered road. She and others are conducting an Ojibwe pipe ceremony along the Mississippi River, offering a ground blessing and prayers for the safety and health of people working on Enbridge’s Line 3 pipeline project.