Climate Change Q&A: How the Wolves’ Return Enhances Biodiversity – GWC Mag gwcmagSeptember 24, 2023074 views In Yellowstone National Park, the reintroduction of the gray wolf in the 1990s has helped reduce an exploding elk population, which in turn helped save plants along streams and rivers, which provide habitat for migrating birds, building materials for beavers, and dam ponds for fish and frogs. Interview by Jenni Doering, “Living on Earth”