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Secret City Sustainability, a student-led initiative to promote divestment from fossil fuels, is having an event at the Secret City Festival at 2 p.m. today. They are going to make a large “350” with people to signify the organization 350.org.

The organization was founded by Bill McKibben, a leading environmental activist who will be coming to speak at the Oak Ridge High School Auditorium on Aug. 18. The students are trying to get the word out about his talk by forming a “350” in the grass.