Betty Ladwig talks with fifth-graders from Lewis Elementary during the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. Ladwig is a volunteer with the Waste Control and Recycling Coalition. She asked the students to guess how many bottles were in the 500-pound cube she brought. The answer was 15,860. (April 19, 2012)
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Jaime Green / The Wichita Eagle
Anderson Elementary third-grader Miguel Perez signs his name on an inflatable globe during the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. The free environmental fair offered hands-on activities for children. (April 19, 2012)
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Jaime Green / The Wichita Eagle
Volunteers with Boeing helped zoo visitors sign their names on inflatable globes during the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. The free environmental fair offered hands-on activities for children. (April 19, 2012)
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Jaime Green / The Wichita Eagle
Betty Ladwig talks with students about recycling during the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. Ladwig is a volunteer with the Waste Control and Recycling Coalition. She asked the students to guess how many bottles were in the 500-pound cube she brought. The answer was 15,860. (April 19, 2012)
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Jaime Green / The Wichita Eagle
Wichita Water Treatment Plant employees help students plant flowers at the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. (April 19, 2012)
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Jaime Green / The Wichita Eagle
Wichita Water Treatment Plant employees help students plant flowers at the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. (April 19, 2012)
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Jaime Green / The Wichita Eagle
The zoo was packed with school children during the "Boeing Wichita Presents: Earth Day Kansas" at the Sedgwick County Zoo. The free environmental fair offered hands-on activities for children. (April 19, 2012)
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Jaime Green / The Wichita Eagle