Monarch butterflies like these two are among the pollinator species that are in decline. The eastern population of the iconic monarch butterfly has declined by more than 80 percent since 1996. Loss of the monarch's breeding habitat - milkweed - is a significant factor contributing to this decline. To learn more, see "Save the Bees and Butterflies!" on page 4 in this issue of Public Roads.
Vol. 81 No. 2