Milkweed and monarch migration

If you’ve ever sat through an elementary science class, you’ve probably learned about monarch butterflies – their obsession with milkweed, stages of metamorphosis, and annual migration. But how does this migration actually play out in today’s industrialized world? Host Sara Kinney walks through all the struggles these little creatures face on their annual journey southward and talks to one group, called Monarch Watch, that is currently trying to help them on their path.