ADVANCE FOR WEEKEND EDITIONS, MAY 6-8 - In this April 26, 2017 photo, Paula Birchler, center, of Lautenbach Industries, talks to a group of students about dealing with plastic waste during a STEM innovation session at Sedro-Woolley High School in Sedro-Woolley, Wash. (Scott Terrell/Skagit Valley Herald/Skagit Valley Herald via AP)
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