Search Search In Mexican Forests, Monarch Butterflies Halt Their Decline This article was originally published by Vox and is reproduced here as part of the Climate Desk collaboration. Monarch butterflies in Mexico. Curt Carnemark / World Bank In the forests of central Mexico, the number of monarch butterflies grew for the second year in a row, suggesting the population has stabilized after years of decline. For the past quarter century, the future of monarch butterflies has looked dire, with these iconic American insects flitting toward extinction. Now, however, there is at least a small reason for hope: New data from WWF Mexico, a large conservation group, offers further evidence that the decline of eastern monarchs — the world’s largest population — has stopped, even as the insects face worsening threats across their range.Each fall, tens of millions of monarchs that live east of the Rocky Mountains migrate, rather miraculously, to the same forested region of central Mexico.…