Cosmos Magazine: “The Himalayas — Asia’s water towers — have been a magnet for water, but a regime change is well underway,” says Joel Berger, a wildlife scientist at Colorado State University who has spent much of his career divided between the Arctic and Himalayas, where he studies the ties between people and animals. “As snow grows increasingly patchy … female yaks will need to find new water sources.” That means heading up slope. But when glaciers recede, too, the region’s 15 million yak will have nowhere to go.

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