Beginning of the end: World's most beautiful Migration

For a declining Native American tribe, it's a symbol of future abundance and health. For a whole host of scientists and conservationists, it's a horror story unfolding over the last few decades. Their annual migration is known to be one of the most beautiful in the world. But it's under significant threat. In the penultimate episode of Our Changing World: Stories of Climate Change, Utsav takes you to the world of Monarch Butterflies spanning the US, Canada and Mexico, and talks about one of the most fundamental principles of the world we all need to know to navigate it.

Find more travel stories on #PostcardsFromNowhere with Utsav Mamoria.

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