GLOBAL WARMING BULLETIN BOARD SET by NORTH STAR TEACHER RESOURCE
Explore the effects of global warming and help kids discover their role in preserving and protecting Earth. This set features a 34" x 5 1/2" (86.4 x 14 cm) banner and five posters that explain the greenhouse effect, the sources of greenhouse gases, the impact of global warming, and the ways kids can become earthkeepers. Includes a two-page teacher guide. 7 pieces.