Monarch butterflies’ spectacular migration is at risk – an ambitious new plan aims to help save it

D. André Green II, University of Michigan One of nature’s epic events is underway: Monarch butterflies’ fall migration. Departing from all across the United States and Canada, the butterflies travel up to 2,500 miles to cluster at the same locations in Mexico or along the Pacific Coast where their great-grandparents spent the previous winter. Human […]