Explore the destructive power of natural disasters and uncover the science behind the devastation. Featuring vivid colors and striking photography, this set examines commonly occurring natural disasters, their impact on human populations and the environment, and historical examples of disasters worldwide., Features a 34" x 5 1/2" (86.4 x 14 cm) banner, Five posters-one 34" x 16 1/2" (86.4 x 41.9 cm), Four 17" x 22" (43.2 x 55.9 cm).